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Friday, December 14, 2012
Sunday, December 2, 2012
GMF AeroAsia, Profile
GMF AeroAsia, an aircraft maintenance company, operates as an aircraft maintenance, repair, overhaul, and technical support services provider in the airline industry. It provides line maintenance services, base maintenance services, including heavy maintenance solutions from defect rectification and repainting aircraft exteriors to decorative finishing, section 41 and wing pylon modifications, and cabin refurbishment to cargo conversion; and engine and component maintenance services for undercarriage gear and brakes, engine driven pumps, fuel pumps and valves, air-conditioning components, mechanical flight control actuators and throttles air-driven pumps / air turbine motors, fuel flow, fuel and oil pressure pumps, testing, and overhaul and repair of a broad range of electrical, electronic, electro-mechanical aircraft components, and digital avionics. The company offers engineering maintenance services, such as repair, overhaul, and module exchange of various types of aircraft engine and auxiliary power units, servicing heavy and light industrial turbine engines, and other aero-derivative engines material; logistic services; and engineering solutions, including maintenance program, reliability control program, technical support, aircraft modification, flight data services, aircraft phase in and phase out, and accident/incident investigation. It also provides on site services covering retrofits and cabin refurbishment, engine and component maintenance, and other specializations ranging from line checks to D checks, as well as offers trade and asset management services, such as component pooling, parts trading/loan/exchange, aircraft parts trading, management services, aircraft parts trading, inventory management, logistic/distributions, and AOG services. The company was founded in 2002 and is headquartered in Jakarta, Indonesia. It also has branch offices in Amsterdam; Jeddah; Riyadh; and Singapore. GMF AeroAsia operates as a subsidiary of Garuda Indonesia PT.
Engine Shop Garuda Maintenance Facility AeroAsia could handle and repairing Aircraft's Engines, such as : Overhaul Rolls-Royce Spey 555-Series Engines, Overhaul CFM56-3 Series Engines, B2 level JT9D-7Q Engines, Overhaul APU GTCP 85-Series, Overhaul APU GTCP36-Series and Overhaul APU TSCP700-Series.
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See our website : http://www.gmf-aeroasia.co.id
Thursday, December 1, 2011
Repair the Abradable Shroud (Abradable Liner) of CFM56-3
We can repair the abradable liner of CFM56-3. Contact m.andito@gmf-aeroasia.co.id
Monday, March 21, 2011
Capability List of Engine CFM56-3 GMF AeroAsia
Capability List Engine of CFM56-3
GMF AeroAsia, Indonesia
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GMF AeroAsia, Indonesia
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Capability GTCP85 APU Honeywell
Capability of GTCP85 APU Honeywell
GMF AeroAsia, Indonesia
GMF AeroAsia, Indonesia
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In House Capability List of APU GTCP85-SERIES GMF AeroAsia
| NO | CAPABILITY LIST NO. | PART NAME | PART NUMBER | ATA REFERENCE | REPAIR SCHEME | DESCRIPTION |
| 1 | TRP/49-21/001 | TURBINE NOZZLE SPACER | 3600640-1 | 49-21-73 | -1 | Repair turbine spacer by machining |
| 2 | TRP/49-21/002 | COMPRESSOR INLET PLENUM ASSEMBLY | 3600729-1 | 49-21-73 | -1 | Repair cracks item 1 and 3 |
| -2 | Repair cracks item 2 | |||||
| -3 | Repair/replace damaged item 4 | |||||
| -4 | Repair damaged insulator strips item 6 | |||||
| -5 | Repair cracks item 5 | |||||
| 3 | TRP/49-21/003 | TURBINE PLENUM ASSEMBLY | 3600734-1 | 49-21-73 | -1 | Repair crack in weld seam (item 1). |
| -2 | Repair crack in welded seam and adjoining material (item 2) and crack in intersecting weld seam (item 3) | |||||
| -3 | Heat Treatment | |||||
| -4 | NDT | |||||
| 4 | TRP/49-21/004 | TAILPIPE ASSEMBLY | 3601618-1 | 49-21-73 | -1 | Repair damaged cracks. |
| -2 | Replace damaged/loose nut plates. | |||||
| TRP/49-21/005 | SEGMENTED TURBINE NOZZLE | 3601669-1/-2/-7/-8/-13/-14/-15/-16 | 49-21-73 | -1 | Repair damaged cracks. | |
| 5 | ||||||
| -2 | Repair erosion and corrosion damage. | |||||
| (3)(4) | Repair damaged coating. | |||||
| -5 | The segmented turbine nozzle airfoils can be repaired | |||||
| (6 | Strip Aluminide coating and recoat with Platinum aluminide. | |||||
| NO | CAPABILITY LIST NO. | PART NAME | PART NUMBER | ATA REFERENCE | REPAIR SCHEME | DESCRIPTION |
| 6 | TRP/49-21/006 | COMPRESSOR INLET PLENUM ASSEMBLY | 3602652-1/-2 | 49-21-73 | -1 | Repair damaged cracks item 1 and 3. |
| -2 | Repair cracks in welded seam and adjoining metal. | |||||
| -3 | Repair/Replace damaged nut plates (Item 4). | |||||
| -4 | Repair/Replace damaged or loose insulator strip (Item 6) | |||||
| -5 | Weld loose brackets (Item 5) | |||||
| 7 | TRP/49-21/007 | TAILPIPE ASSEMBLY | 3602953-1/-2 | 49-21-73 | (1)(a)(b)(c) | Weld repair cracks. |
| -2 | Replace loose or damaged nut plates. | |||||
| 8 | TRP/49-21/008 | FIRST STAGE DIFFUSER | 3603288-1/-2 | 49-21-73 | -1 | Repair loose or damaged Inserts. |
| -2 | Repair damaged Vane. | |||||
| -6 | Replace damaged steel vane tips | |||||
| (7)(a) | Rework Surfaces A and C. | |||||
| (7)(b)(1) | Rework Surfaces A | |||||
| (7)(b)(2) | Rework Surfaces C | |||||
| (8)(a) | Rework Diameter AC and DC | |||||
| (8)(b)(1) | Rework Diameter AC by Metal Spray. | |||||
| (8)(b)(2) | Rework Diameter DC by Metal Spray. | |||||
| -9 | Repair the vane tips by weld repair to remove erosion | |||||
| -10 | Repair the fretting and/or corrosion damage to the port flange surfaces | |||||
| 9 | TRP/49-21/009 | TURBINE NOZZLE AIRSEAL | 3603350-1/-2/-3/-4 | 49-21-73 | -1 | Repair fretted damage from trailing edge of vanes. |
| -2 | Repair erosion damage of vane leading edge is less than one-eight inch deep. | |||||
| -3 | Repair scoring that is less than 0.030 inch deep on shroud. | |||||
| -4 | Repair scoring that is more than 0.030 inch deep but less than 0.060 inch depth. | |||||
| -5 | Repair damaged worn stud. | |||||
| -6 | Repair Aluminize areas of turbine nozzle vanes. | |||||
| -7 | Repair vanes for erosion, sulfidation and burn damage (REPAIR OUTSIDE) | |||||
| -8 | Repair vane by stripping and re-coating with silicone-modified aluminide. | |||||
| 10 | TRP/49-21/010 | TURBINE NOZZLE SPACER | 3603510-1 | 49-21-73 | -1 | Repair turbine spacer by machining |
| 11 | TRP/49-21/011 | MATCHED HOUSING ASSEMBLY SET | 3603708-1/-2/-3/-5/-6/-7/-8 | 49-21-73 | -1 | Repair damaged magnesium surfaces. |
| -2 | Repair anodized aluminum parts. | |||||
| -3 | Repair chipped, scratched or damaged painted or primed surfaces | |||||
| -4 | Prepare parts for repainting exterior surfaces only. | |||||
| -5 | Replace studs and inserts. | |||||
| -6 | Repair steel parts. | |||||
| -7 | Replace loose, worn or damaged bushings. | |||||
| -8 | Replace Bushing (30 through 80 and 180 through 240) | |||||
| (8A) | Repair Oversized Bores | |||||
| -9 | Repair Diameter FE and/or A to get dimensional limits | |||||
| -10 | Repair minor damage to Surface BB. | |||||
| -11 | Weld repair the gearbox and input housing | |||||
| -12 | Repair alignment pin bores or replace Alignment Pin Bushings Part No. 693472‑11 | |||||
| -13 | Repair cracked lug for hole number 7. | |||||
| -14 | Replace nozzle and stud assembly if inspection shows damage | |||||
| -15 | Repair the oil jet bore by installation of a threaded sleeve | |||||
| -16 | Repair idler spur gearshaft boss, Centerline VII | |||||
| -17 | Repair gouging and scoring to accessory mount bores | |||||
| -18 | Repair 2.8745 to 2,8755 inch Diameter E by application of Metal Spray. | |||||
| -19 | Plug repair damaged threads (9/16-18UNJF-3B) at AN-6 Oil Port on thin half of gearbox housing. | |||||
| -20 | Metal spray repair Surface BB. | |||||
| -21 | Replace fitting bores alignment bushings with oversize bushings. | |||||
| -22 | Repair of damaged threaded holes in mounting pads (REPAIR OUTSIDE) | |||||
| -23 | Repair of oil passage to Centerline 1(REPAIR OUTSIDE) | |||||
| -24 | Parent metal bore repair in mount pad (REPAIR OUTSIDE) | |||||
| -25 | Remove and replace bearing liners with oversize bearing liners on CL1, CL2, CL3, CL4, CL5, CL6, CL8 and CL9 (REPAIR OUTSIDE) | |||||
| -26 | Weld repair of cracks in gearbox housing and locating pin bore (REPAIR OUTSIDE) | |||||
| -26 | A proprietary repair is available for the housing assembly and locating pin bore providing all other limits in check procedures are met (REPAIR OUTSIDE) | |||||
| -27 | Sleeve repair parent metal bore Diameters CL1, CL2, CL3, CL4, CL5, CL6, CL7, CL8, CL9 and CL10 (REPAIR OUTSIDE) | |||||
| 12 | TRP/49-21/012 | COMBUSTION CHAMBER LINER ASSEMBLY | 3603841-1 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning from corrosion or erosion and deformation. | |||||
| -3 | Replace cap assembly. | |||||
| -4 | Replace damaged deflector. | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| -9 | Apply thermal barrier coating to the inside surface of the combustor | |||||
| 13 | TRP/49-21/013 | ACCESSORY DRIVE HOUSING ASSEMBLY | 3604090-1 | 49-21-73 | -1 | Replace bushing in case assembly |
| -2 | Replace housing in case assembly | |||||
| -3 | Install sleeves and repair boss on fan drive shaft bore | |||||
| -4 | Repair damaged oil pump shaft seal bore | |||||
| -5 | Machine oil sump for oil drain slot. | |||||
| -6 | Replace jet. | |||||
| 14 | TRP/49-21/014 | TURBINE PLENUM ASSEMBLY | 3604213-1/-2 | 49-21-73 | -1 | Repair crack in weld seam (item 1). |
| -2 | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seam (Item 3) by patching | |||||
| 15 | TRP/49-21/015 | TAILPIPE (EXHAUST DUCT) ASSEMBLY | 3604498-1 | 49-21-73 | (1)(a)(b)(c) | Weld repair cracks. |
| 16 | TRP/49-21/016 | WHEEL AND SHAFT ASSEMBLY | 3604604-1/-2/-3 | 49-21-73 | -1 | Repair shaft assembly |
| -2 | Replace shaft assembly | |||||
| -3 | (Part No. 3604604‑1/‑3) Repair turbine wheel blade trailing edge damage | |||||
| (3A) | (Part No. 3604604‑2) Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracking and erosion damage | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -10 | Balance wheel and shaft assembly. Refer to SPM, Method 412A, 412C | |||||
| -11 | Repair internal diameter of shaft to salvage part. | |||||
| -12 | Repair outside Dimensions of salvaged shaft | |||||
| 17 | TRP/49-21/017 | COMBUSTOR CAP ASSEMBLY | 3604991-1 | 49-21-73 | -1 | Cold straighten combustor cap assembly |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -3 | Repair combustor cap assembly atomizer mounting surface. | |||||
| 18 | TRP/49-21/018 | MULTISPEED SWITCH GEARSHAFT ASSEMBLY | 3605244-1 | 49-21-73 | -1 | Repair Diameter A or B |
| -2 | Replace damaged splined end coupling. | |||||
| 19 | TRP/49-21/019 | FUEL CONTROL DRIVE GEARSHAFT ASSEMBLY | 3605245-1 | 49-21-73 | -1 | Repair loose plug in gearshaft |
| -2 | Repair Diameters A, B or C if inspection shows damage | |||||
| -3 | Replace damaged splined end coupling. | |||||
| 20 | TRP/49-21/020 | COMBUSTION CHAMBER LINER ASSEMBLY | 3605384-3/-4/-7/-8 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning from corrosion or erosion and deformation. | |||||
| -3 | Replace cap assembly. | |||||
| -4 | Replace damaged swirl. | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| -9 | Replace damaged tube assembly | |||||
| -10 | Apply thermal barrier coating to the inside surface of the combustor | |||||
| 21 | TRP/49-21/021 | COMBUSTION CHAMBER LINER ASSEMBLY | 3606723-3/-4/-7/-8 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning from corrosion or erosion and deformation. | |||||
| -3 | Replace cap assembly. | |||||
| -4 | Replace damaged cooling skirts | |||||
| -5 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| -9 | Apply thermal barrier coating to the inside surface of the combustor | |||||
| 22 | TRP/49-21/022 | WHEEL AND SHAFT ASSEMBLY | 3606982-1 | 49-21-73 | -1 | Repair shaft assembly |
| -2 | Replace shaft assembly | |||||
| -3 | Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion damage | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -10 | Balance wheel and shaft assembly. Refer to SPM, Method 412A, 412C | |||||
| -11 | Repair internal diameter of shaft to salvage part. | |||||
| -12 | Repair outside Dimensions of salvaged shaft | |||||
| 23 | TRP/49-21/023 | EXHAUST PIPE ASSEMBLY | 3607748-1 | 49-21-73 | -1 | Repair weld cracks in tube wall |
| -2 | Repair weld circumferential cracks in radius of flange | |||||
| -3 | Repair cracked weld or brazed joint in Area A | |||||
| -4 | Repair threads in bolt holes that are damaged beyond chasing, tapping and/or suitable insert installation. | |||||
| -5 | Repair oversize thread in forward flange | |||||
| -6 | Replace threaded flange | |||||
| -7 | (Part No. 3607748-1) Machine exhaust duct to allow clearance on assembly between duct and adjacent torus. | |||||
| 24 | TRP/49-21/024 | TURBINE TORUS ASSEMBLY | 3607850-4/-6 | 49-21-73 | (1)(a) | Repair cracked torus skin |
| (1)(b) | Repair cracks in seam weld | |||||
| -2 | Repair cracked forged ring | |||||
| -3 | Repair damaged torus skin | |||||
| (3A) | Alternate method of weld flush patch repair | |||||
| -4 | Replace damaged inlet flange | |||||
| -5 | Replace damaged inlet flange | |||||
| -6 | Replace damaged studs | |||||
| -7 | Replace damaged ring and shield assembly | |||||
| -8 | Replace damaged ramp | |||||
| 25 | TRP/49-21/025 | REAR TURBINE SEAL | 3609143-1/-2/-3/-4 | 49-21-73 | -1 | Repair housing by kiss grinding |
| 26 | TRP/49-21/026 | REAR TURBINE SEAL | 3609219-1/-2 | 49-21-73 | -1 | Repair housing by kiss grinding |
| 27 | TRP/49-21/027 | HEAT SHIELD | 3609467-1 | 49-21-73 | -1 | Repair fretting and erosion to Diameter B and brackets. |
| -2 | Repair dents and cracks in heat shield. | |||||
| -3 | Repair damaged brackets or weld cracks | |||||
| -4 | Replace damaged to missing brackets. | |||||
| Perform NDT after repair process. | ||||||
| 28 | TRP/49-21/028 | TURBINE WHEEL SHROUD | 3611904-1 | 49-21-73 | -1 | Repair damaged Diameter E |
| -2 | Repair damaged Surface M and Dimension N | |||||
| -3 | Repair damaged Diameters C | |||||
| (3a) | Repair wear or damage on Diameter B | |||||
| -4 | Repair damaged Surface T | |||||
| -5 | Repair damaged Surface M and Dim. X | |||||
| -6 | Repair damaged cracks on Surface H | |||||
| -7 | Repair damaged Surface H with abrasive cloth | |||||
| -8 | Repair damaged Surface H by Machine | |||||
| -9 | Repair damaged threads | |||||
| -10 | Repair damaged Surface M is more than 0.015 inch | |||||
| -11 | Repair damaged Surface H per figure 602 | |||||
| 29 | TRP/49-21/029 | COMBUSTION CHAMBER LINER ASSEMBLY | 369597-VARIOUS | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector. | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | (Part No. 3603723‑3/‑6) Replace floating grommet | |||||
| -9 | Apply thermal barrier coating to the inside surface of the combustor | |||||
| 30 | TRP/49-21/030 | COMBUSTION CHAMBER LINER ASSEMBLY | 369937-30/-40 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector. | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | (Part No. 369937‑30/‑40) Replace floating grommet | |||||
| 31 | TRP/49-21/031 | INTERSTAGE AIR DUCTS | 372696 | 49-21-73 | -1 | Weld repair mount lugs |
| -2 | Repair corrosion damage to Surface V | |||||
| -3 | Lap mating surfaces | |||||
| (1)(k) | Reprotect / Touch up the surface | |||||
| 32 | TRP/49-21/032 | FAN DRIVE SHAFT ASSEMBLY | 372822-2 | 49-21-73 | -1 | Replace worn jaw and/or rotor. |
| -2 | Repair fan drive shaft bearing diameters. | |||||
| 33 | TRP/49-21/033 | ACCESSORY CASE ASSEMBLY | 372896-16/-19/-20 | 49-21-73 | -1 | Replace bushing in case assembly. |
| -2 | Replace housing in case assembly. | |||||
| -3 | Install sleeves and repair boss of fan drive shaft bore | |||||
| -4 | Repair damaged oil pump shaft seal bore. | |||||
| -5 | Machine oil sump for oil drain slot. | |||||
| -6 | Replace jet | |||||
| -7 | (Part No. 372896‑16/‑19) Install replacement spacer. | |||||
| -8 | (Part No. 372896‑16/‑19) Install replacement guard. | |||||
| 34 | TRP/49-21/034 | TURBINE NOZZLE BOLT SPACER | 373685 | 49-21-73 | -1 | Repair turbine spacer |
| 35 | TRP/49-21/035 | PLANET GEAR CARRIER ASSEMBLY | 378916 | 49-21-73 | -1 | Replace defective inserts |
| -2 | Repair planet gear carrier | |||||
| 36 | TRP/49-21/036 | FAN AIR INLET PLENUM ASSEMBLY | 379264 | 49-21-73 | -1 | Repair cracks (item 1 and 3) |
| -2 | Repair cracks in welded seam and adjoining material (item 2) | |||||
| -3 | Repair/Remove damaged nutplates (item 4) | |||||
| 37 | TRP/49-21/037 | OIL AND BREATHER FITTING | 379484 | 49-21-73 | -1 | Repair fretting on cast surface |
| 38 | TRP/49-21/038 | TURBINE NOZZLE | 379509/-4/-6/-16/-22 | 49-21-73 | -1 | Remove fretting from trailing edge of vanes |
| -2 | Repair erosion of vanes leading edge | |||||
| -3 | Repair scoring that is less than 0.030 inch deep on shroud | |||||
| -4 | Machine out cracks and scoring that are less than 0.060 inch in depth on shroud | |||||
| -5 | Repair damaged or worn stud | |||||
| -6 | Aluminize repaired areas of turbine nozzle vanes | |||||
| -7 | Repair of vanes for erosion, sulfidation and burning damage (REPAIR OUTSIDE) | |||||
| -8 | Replace vanes with burnt or cracked trailing edge and with leading edge erosion and shroud cracks (REPAIR OUTSIDE) | |||||
| -9 | Strip and recoat with silicone‑modified aluminide. | |||||
| - | Repair damaged Vanes more than Repair (1) (2) by weld. | |||||
| 39 | TRP/49-21/039 | STAGE DIFFUSER HOUSING ASSEMBLY | 379515/-30 | 49-21-73 | -1 | Replace damaged or loose inserts and studs |
| -2 | If examination revealed corrosion in O‑ring groove (Detail A) | |||||
| (2A) | Repair O‑ring groove if corrosion is more than machining limits | |||||
| (2B) | Repair Diameter P | |||||
| -3 | Repair Surface FF | |||||
| (4)(a) | Repair Surface DD | |||||
| (4)(b) | Repair Surface DD by Metal Spray | |||||
| -5 | Repair Surface HH | |||||
| (5A) | Repair Surface HH using metal spray | |||||
| -6 | Repair surface SS | |||||
| (6A) | Repair surface SS using metal spray | |||||
| (7)(a) | Repair Surface AA | |||||
| (7)(b) | Repair Surface AA using metal spray | |||||
| -8 | Repair Corrosion damage | |||||
| (8A) | Repair Heavy Corrosion damage | |||||
| -12 | (Recommended Method) Replace shroud contour | |||||
| -13 | (Alternate Method 1) Replace shroud contour | |||||
| -14 | (Alternate Method 2) Replace shroud contour | |||||
| (14A) | (Alternate Method 3) Replace shroud contour | |||||
| -15 | Repair cracks or stripped threads in mounting pads | |||||
| (15A) | (Part No. 379515 only and repaired Part No. 379515‑T24657) Repair cracks next to mount pads. | |||||
| -16 | Repair stripped or damaged threads in housing assembly | |||||
| -17 | Repair Diameter Q with metal spray | |||||
| -18 | Sleeve corroded | |||||
| (18A) | (Alternate Method) Sleeve corroded | |||||
| -19 | Repair Surface FF by installing ring | |||||
| -20 | Repair damaged coating. | |||||
| -21 | Repair Thread Hole Blow out per SB GTCP85-49-7638 (REPAIR IN HOUSE) | |||||
| 40 | TRP/49-21/040 | INTERSTAGE HOUSING ASSEMBLY | 379518 | 49-21-73 | (1)(a) | Repair Surface F |
| (1)(b) | To repair major rubs | |||||
| (1A) | Repair Diameter A | |||||
| -2 | Repair Diameter B | |||||
| (3)(a) | Surface E can be reworked to establish parallelism | |||||
| (3)(b) | Surface E by Metal Spray | |||||
| (3A) | Repair pitting and other corrosion damage on duct mounting flanges | |||||
| -4 | Repair Surface F by replace shroud contour | |||||
| -5 | Repair damage on Diameter B, see Sheet 1, is more than metal spray limits, step (2) | |||||
| (6)(a) | Repair Diameter C | |||||
| (6)(b) | Repair Diameter C by Metal Spray | |||||
| (6)© | Repair Diameter C by Sleeve | |||||
| -7 | Repair damaged coating. | |||||
| 41 | TRP/49-21/041 | FIRST STAGE DIFFUSER | 379520 | 49-21-73 | -1 | Repair loose or damaged Inserts. |
| -2 | Repair damaged Vane. | |||||
| -6 | Rework diffuser to incorporate steel vanes | |||||
| (7)(a) | Rework Surfaces A and C. | |||||
| (7)(b)(1) | Rework Surfaces A | |||||
| (7)(b)(2) | Rework Surfaces C | |||||
| (8)(a) | Rework Diameter AC and DC | |||||
| (8)(b)(1) | Rework Diameter AC by Metal Spray. | |||||
| (8)(b)(2) | Rework Diameter DC by Metal Spray. | |||||
| -9 | Repair the vane tips by weld repair to remove erosion | |||||
| -10 | Repair the fretting and/or corrosion damage to the port flange surfaces | |||||
| 42 | TRP/49-21/042 | PLENUM ASSEMBLY | 379528/-2/-3 | 49-21-73 | (1)(3)(4) | Repair crack in weld seams (item 1) |
| (2)(3)(4) | Repair crack in welded seam and adjoining material (item 2) and crack in intersecting welded seams (item 3) by patching | |||||
| -5 | Repair Surface A flatness | |||||
| -6 | Repair plenum flange | |||||
| -7 | GTAW weld repair turbine plenum assembly. | |||||
| Refer to Standard Practices Manual (SPM) 20-00-02/70-00-01, Method 411C | ||||||
| 43 | TRP/49-21/043 | EXHAUST PIPE ASSEMBLY | 379529 | 49-21-73 | -1 | Repair weld cracks in tube wall |
| -2 | Repair weld circumferential cracks in radius of flange | |||||
| -3 | Repair cracked weld or brazed joint in Area A | |||||
| -4 | Repair threads in bolt holes that are damaged beyond chasing, tapping and/or suitable insert installation. | |||||
| -5 | Repair oversize thread in forward flange | |||||
| -6 | Replace threaded flange | |||||
| 44 | TRP/49-21/044 | OIL BREATHER TUBE | 379531-1 | 49-21-73 | -1 | Repair Diameter A |
| 45 | TRP/49-21/045 | FIRST STAGE IMPELLER | 379547 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -4 | Machine Diameter B to remove damage. | |||||
| -5 | Balance the impeller. | |||||
| -6 | Shot peen the impeller. | |||||
| -7 | Weld repair of blade leading edge and contour (REPAIR OUTSIDE) | |||||
| -8 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -9 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -10 | Weld repair Diameter D and/or Surface F (REPAIR OUTSIDE) | |||||
| -11 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 46 | TRP/49-21/046 | SECOND STAGE COMPRESSOR ROTOR | 379548-50 | 49-21-73 | -1 | Straighten repair of blades bent condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of nicks, dents or vibroscribe markings from backface. | |||||
| -4 | Hand finish repair of raised material in curvic tooth surface | |||||
| -5 | Machine Diameter D to remove damage. | |||||
| -6 | Metal spray repair Diameters B, C and/or D, Fig. 601 (Sheet 6). | |||||
| -7 | Balance the impeller. Refer to SPM 20-00-02/70-00-01, Method 412B. | |||||
| -8 | Shot peen the impeller. | |||||
| -9 | Weld repair of blade leading edge and contour (REPAIR OUTSIDE) | |||||
| -10 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -11 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -12 | Weld repair Diameters B, C and/or Surface A (REPAIR OUTSIDE) | |||||
| -13 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 47 | TRP/49-21/047 | IDLER GEARSHAFT | 379557 | 49-21-73 | -1 | Repair Diameter A |
| 48 | TRP/49-21/048 | BEARING RETAINER | 379561 | 49-21-73 | -1 | Repair Diameter A if inspection reveals damage |
| 49 | TRP/49-21/049 | HIGH SPEED PINION GEAR | 379564 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage |
| 50 | TRP/49-21/050 | IDLER GEAR ASSEMBLY | 379604 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage |
| 51 | TRP/49-21/051 | FUEL CONTROL DRIVE GEARSHAFT ASSEMBLY | 379605 | 49-21-73 | -1 | Repair loose plug in gearshaft |
| -2 | Repair Diameter A, B or C if examination shows damage | |||||
| -3 | Replace fuel control drive gearshaft assembly splined | |||||
| 52 | TRP/49-21/052 | MULTISPEED SWITCH GEARSHAFT ASSEMBLY | 379606 | 49-21-73 | -1 | Repair loose plug in gearshaft |
| -2 | Repair Diameter A or B if examination shows damage | |||||
| -3 | Replace multispeed switch gearshaft assembly splined end | |||||
| 53 | TRP/49-21/053 | FAN IDLER SPUR GEAR | 379607 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage |
| 54 | TRP/49-21/054 | OIL PUMP DRIVE GEARSHAFT ASSEMBLY | 379608-1 | 49-21-73 | -1 | Repair loose plug in gearshaft |
| -2 | Repair Diameter A or B if inspection reveals damage | |||||
| 55 | TRP/49-21/055 | STARTER DRIVE CLUSTER GEAR | 379609 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage |
| 56 | TRP/49-21/056 | OUTPUT DRIVE GEARSHAFT | 379610 | 49-21-73 | -1 | Repair loose plug from gearshaft assembly. |
| -2 | Repair Diameter A or B if examination shows damage | |||||
| -3 | Balance output drive gearshaft assembly. | |||||
| -4 | Repair chipped, cracked, broken or worn spline teeth (REPAIR OUTSIDE) | |||||
| -5 | Output drive gearshaft assembly gear teeth that are chipped no more than the limits of Dimension AF and/or AG | |||||
| 57 | TRP/49-21/057 | IDLER SPUR GEAR | 379615 | 49-21-73 | -1 | Repair Diameter A if inspection reveals damage |
| 58 | TRP/49-21/058 | COMPRESSOR INLET PLENUM ASSEMBLY | 379666 | 49-21-73 | -1 | Repair cracks (Items I and 2) by patching |
| -2 | Repair crack (item 3) | |||||
| -3 | Remove damaged nut plates (item 4). | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| 59 | TRP/49-21/059 | EXHAUST DUCT FLANGE ASSEMBLY | 379692-20 | 49-21-73 | -1 | Weld repair cracks |
| 60 | TRP/49-21/060 | INLET ASSEMBLY | 379713/-1 | 49-21-73 | (1)(a) | Repair Surface F. |
| (1)(b) | Repair Surface F by Metal Spray. | |||||
| -2 | Repair Diameter A to get dimensional limits | |||||
| -3 | Repair Diameter Q | |||||
| (4)(a) | Rework Surface C to limit of Dimension J | |||||
| (4)(b) | Rework Surface C to limit of Dimension J by Metal Spray | |||||
| -5 | Repair Surface F by fabricate sleeve. | |||||
| (6)(a) | Repair/Rework Diameter B | |||||
| (6)(b) | Repair/Rework Diameter B by Metal Spray | |||||
| (6)© | Repair/Rework Diameter B by fabricate sleeve | |||||
| -7 | Repair Diameter Q to dimensional limits. | |||||
| -8 | Rework Diameter GA. See Sheets 10 through 13. | |||||
| -9 | Repair Diameter A, if damaged beyond metal spray limits, by installing a sleeve | |||||
| -10 | Repair damaged coating. | |||||
| 61 | TRP/49-21/061 | TURBINE WHEEL SHROUD | 379727-1/-2 | 49-21-73 | (1) 47M55G01; | Repair Diameter A |
| (1)(d) | Repair Diameter B | |||||
| (1)(e) | Repair damaged bolt holes | |||||
| (1)(f) | Vane erosion damaged | |||||
| 62 | TRP/49-21/062 | EXHAUST DUCT FLANGE ASSEMBLY | 379775-1/-461 | 49-21-73 | -1 | Weld repair cracks |
| -2 | Replace loose or damaged nut plates. | |||||
| 63 | TRP/49-21/063 | TURBINE TORUS ASSEMBLY | 379794 | 49-21-73 | -1 | Repair cracked torus skin |
| (1)© | Replace Torus Ring Part No. 968509‑1 | |||||
| -2 | Repair cracked containment ring | |||||
| -3 | Repair damaged torus skin | |||||
| -4 | Replace damaged inlet flange Part No. 3602679‑1 | |||||
| (4A) | Replace damaged inlet Part No. 3602679‑2 | |||||
| -5 | Replace damaged studs | |||||
| -6 | Replace damaged ring and shield assembly | |||||
| -7 | Replace damaged cover assembly | |||||
| 64 | TRP/49-21/064 | SECOND STAGE DIFFUSER | 379801/-20 | 49-21-73 | -1 | Remove and replace cracked, bent or worn diffuser plate |
| -2 | If erosion of Surface E is more than the allowable limits | |||||
| -3 | Repair damage to Diameter B | |||||
| -4 | Repair damage to Diameters C and/or D | |||||
| -5 | Repair damage to Surface F | |||||
| -6 | Repair damaged vane leading edges | |||||
| 65 | TRP/49-21/065 | SECOND STAGE COMPRESSOR ROTOR | 3822481-3 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of nicks, dents or vibroscribe markings from backface. | |||||
| -4 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -5 | Machine Diameter D to remove damage. | |||||
| -6 | Metal spray repair Diameter Q, B and/or D. Refer to Figure 601 (Sheet 6). | |||||
| -7 | Balance the impeller. Refer to SPM 20-00-02/70-00-01, Method 412B. | |||||
| -8 | Shot peen the impeller. | |||||
| -9 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -10 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -11 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -12 | Weld repair of Dia Q, B and/or Surface A (REPAIR OUTSIDE) | |||||
| -13 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 66 | TRP/49-21/066 | SECOND STAGE COMPRESSOR ROTOR | 3822536-1/-2 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of nicks, dents or vibroscribe markings from backface. | |||||
| -4 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -5 | Machine Diameter D to remove damage. | |||||
| -6 | Metal spray repair Diameters B, C and/or D. Refer to Figure 601 (Sheet 6). | |||||
| -7 | Balance the impeller. | |||||
| -8 | Shot peen the impeller. | |||||
| -9 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -10 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -11 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -12 | Weld repair Diameters Q, B and/or Surface A (REPAIR OUTSIDE) | |||||
| -13 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 67 | TRP/49-21/067 | TURBINE SCROLL HOUSING | 3830350-1/-2/-3/-4 | 49-21-73 | -1 | Repair cracked scroll skin |
| -2 | Repair damaged scroll skin (Inconel 617). | |||||
| -3 | Replace damaged inlet flange Remove the old inlet flange and install new Inlet Flange Part No. 3830350‑7001 | |||||
| (3A) | Replace damaged inlet flange. Remove the old inlet flange and install a new Inlet Flange Part No. 3617056‑1 | |||||
| -4 | Replace damaged studs | |||||
| (1) A | Replace worn or damaged ring and shield assembly. | |||||
| (1)B | Replace damaged ring and cone assembly | |||||
| (1)C | Replace damaged flange. | |||||
| 68 | TRP/49-21/068 | WHEEL AND SHAFT ASSEMBLY | 3842072-1/-2/-3 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Repair or Secure loose cupped expansion plug in shaft | |||||
| (2)(11) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -10 | Balance wheel and shaft assembly | |||||
| -11 | Repair internal diameter of shaft to salvage part. | |||||
| -12 | Repair outside dimensions of salvaged shaft by metal spray | |||||
| -13 | Drill two new pin holes in salvaged shaft 90 degrees from existing holes | |||||
| Remarking Part No. and Serial No. | ||||||
| 69 | TRP/49-21/069 | WHEEL AND SHAFT ASSEMBLY | 3842350-1 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Repair or Secure loose cupped expansion plug in shaft | |||||
| (2)(11) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -10 | Balance wheel and shaft assembly | |||||
| -11 | Repair internal diameter of shaft to salvage part. | |||||
| -12 | Repair outside dimensions of salvaged shaft by metal spray repair | |||||
| -13 | Drill two new pin holes in salvaged shaft 90 degrees from existing holes. | |||||
| Remarking Part No. and Serial No. | ||||||
| 70 | TRP/49-21/070 | WHEEL AND SHAFT ASSEMBLY | 3842360-1 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Repair or Secure loose cupped expansion plug in shaft | |||||
| (2)(11) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| (6A) | Restore turbine blade wheel tips (ORI No. T-37827) to repair blade tips damaged from erosion or impact (REPAIR OUTSIDE) | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -10 | Balance wheel and shaft assembly | |||||
| Remarking Part No. and Serial No. | ||||||
| 71 | TRP/49-21/071 | SEGMENTED TURBINE NOZZLE | 3846484-3/-4/-7/-8 | 49-21-73 | -1 | Remove cracks or feathering |
| -2 | Repair erosion and corrosion | |||||
| -3 | Recoat nozzle | |||||
| -4 | Reapply aluminum coating to repaired areas | |||||
| 72 | TRP/49-21/072 | EXHAUST DUCT | 3850089-1 | 49-21-73 | -1 | Repair cracks (all locations including but not limited to Hub, Flange, Vanes, and weld) by fusion arc (TIG) weld. |
| -2 | Repair threads in bolt holes that are damaged beyond chasing | |||||
| -3 | Repair oversized thread in forward flange | |||||
| -4 | Replace threaded flange. | |||||
| -5 | Replace exhaust hub | |||||
| Modification GTCP85-49-7140 | ||||||
| 73 | TRP/49-21/073 | TURBINE PLENUM ASSEMBLY | 692360 | 49-21-73 | (1)(3)(4) | Repair crack in weld seam (item 1) |
| (2)(3)(4) | Repair crack in welded seam and adjoining material (item 2) and crack in intersecting welded seam (item 3) by patching | |||||
| 74 | TRP/49-21/074 | MATCHED HOUSING ASSEMBLY SET | 693531/-4/-153/-100/-100-153/-100-4/-150/-150-153/-200/-200-153/-200-4 | 49-21-73 | -1 | Repair damaged magnesium surfaces |
| -2 | Repair anodized aluminum parts. | |||||
| -3 | Repair chipped, scratched or damaged painted or primed surfaces. | |||||
| -4 | Prepare parts for repainting exterior surfaces only. | |||||
| -5 | Replace studs and inserts. | |||||
| -6 | Repair steel parts. | |||||
| -7 | Replace loose, worn or damaged bushings. | |||||
| -8 | Replace bushings (30 through 80 and 180 through 240) | |||||
| -9 | Repair Diameter FE and/or A to get dimensional limits | |||||
| -10 | Repair minor damage to Surface BB. | |||||
| -11 | Repair alignment pin bushing | |||||
| -12 | Repair output housing assembly oil passage | |||||
| -13 | Repair output housing assembly high speed pinion bore | |||||
| -14 | Repair input housing assembly ribs | |||||
| -15 | Repair cracked lug for hole number 7. | |||||
| -16 | Replace nozzle and stud assembly (Part No. 693531‑153/‑100‑153/‑150‑153) | |||||
| -17 | Repair the oil jet bore by installation of a threaded sleeve | |||||
| -18 | Repair idler spur gearshaft boss, Centerline VII | |||||
| -19 | Repair Gouging and Scoring. | |||||
| -20 | Repair 2.8745-2.8755 Diameter E by application of metal spray. | |||||
| -21 | Plug repair damaged threads (9/16-18UNJF-3B) at AN-6 Oil Port on thin half of Gearbox Housing. | |||||
| 75 | TRP/49-21/075 | FORWARD TURBINE SEAL | 693616/-1 | 49-21-73 | -1 | Repair seal housing |
| 76 | TRP/49-21/076 | COMPRESSOR INLET PLENUM ASSEMBLY | 694016-1/-2/-4 | 49-21-73 | -1 | Repair cracks (items I and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Repair damaged nut plates | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| -5 | Replace damaged or loose insulating strip (Item 4) | |||||
| -6 | Replace plenum assembly clamp | |||||
| -7 | Apply butoxy coating to inside of inlet plenum assembly | |||||
| 77 | TRP/49-21/077 | COMPRESSOR INLET PLENUM ASSEMBLY | 694017 | 49-21-73 | -1 | Repair cracks (items I and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Repair damaged nut plates | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| -5 | Replace damaged or loose insulating strip (Item 4) | |||||
| -6 | Replace plenum assembly clamp | |||||
| -7 | Apply butoxy coating to inside of inlet plenum assembly | |||||
| 78 | TRP/49-21/078 | COMPRESSOR INLET PLENUM ASSEMBLY | 694018 | 49-21-73 | -1 | Repair crack in welded seam and adjoining material (item 3) |
| -2 | Repair cracks (items I and 2) | |||||
| -3 | Repair damaged nut plates | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| -5 | Replace damaged or loose insulating strip (Item 4) | |||||
| -6 | Apply butoxy coating to inside of inlet plenum assembly | |||||
| 79 | TRP/49-21/079 | OIL TUBE ASSEMBLY | 694040 | 49-21-73 | -1 | Repair oil tube assembly |
| 80 | TRP/49-21/080 | EXHAUST DUCT FLANGE ASSEMBLY | 695140-1/-50/-100/-110 | 49-21-73 | -1 | Repair cracks |
| -2 | Replace exhaust duct flange | |||||
| -3 | Ensure exhaust flange feature tolerances | |||||
| -4 | Replace boss plat | |||||
| -5 | Replace damaged flange | |||||
| 81 | TRP/49-21/081 | COMBUSTOR CAP ASSEMBLY | 695142-2/-6 | 49-21-73 | -1 | Cold straighten combustor cap assembly |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -4 | Repair combustor cap assembly atomizer mounting surface. | |||||
| 82 | TRP/49-21/082 | COMPRESSOR INLET PLENUM ASSEMBLY | 695145-100/-101/-102 | 49-21-73 | -1 | Repair crack (insert A) (item 2) by patching |
| -2 | Repair cracks (items 1, 3 and 5) | |||||
| -3 | Remove damaged nut plates (item 4) | |||||
| -4 | Weld repair cracks or weld brackets to prevent cracking | |||||
| -5 | Repair damage to Kynar coating on plenum flange that mates with second stage diffuser housing | |||||
| -6 | Replace damaged sound-proofing material with felt cutting material | |||||
| 83 | TRP/49-21/083 | COMBUSTOR CAP ASSEMBLY | 695709-2/-4 | 49-21-73 | -1 | Cold straighten combustor cap assembly |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -4 | Repair combustor cap assembly atomizer mounting surface. | |||||
| 84 | TRP/49-21/084 | BEARING CARRIER | 695753-1 | 49-21-73 | -1 | Repair Diameter A or B |
| 85 | TRP/49-21/085 | TUBE FITTINGS MOUNTING BRACKET | 696080-1/-2 | 49-21-73 | -1 | Repair weld cracks |
| 86 | TRP/49-21/086 | WHEEL AND SHAFT ASSEMBLY | 696161-1/-2/-4/-7/-8 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Secure loose cupped expansion plug in shaft | |||||
| (1)(d) | Repair damage or wear to internal spline area of shaft | |||||
| (2)(13)(14) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel backface (Surface J) damage | |||||
| -4 | Repair turbine wheel saddle area (surface JL) damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion damage | |||||
| -6 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -7 | Repair exducer portion of wheel and shaft assembly | |||||
| -8 | Repair turbine wheel exducer blade tip damage if not bent more than 30 degrees. More than 30 degrees | |||||
| -9 | Repair turbine wheel exducer, cracks at blade trailing edge | |||||
| -10 | (Part No. 696161‑1/‑2/‑4) Do a resonant frequency check of exducer blades after repair with an alternate test set | |||||
| -11 | Remove and replace exducer | |||||
| -12 | Balance wheel and shaft assembly | |||||
| -13 | Repair internal diameter of shaft to salvage part | |||||
| -14 | Install a replacement wheel on Shaft Part No. 968662‑1. | |||||
| 87 | TRP/49-21/087 | COMBUSTOR CAP ASSEMBLY | 696553-1 | 49-21-73 | -1 | Cold straighten combustor cap assembly |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -4 | Repair combustor cap assembly atomizer mounting surface. | |||||
| 88 | TRP/49-21/088 | SUPPORT ASSEMBLY | 696658-1/-2/-3 | 49-21-73 | -1 | Replace damaged ring of support assembly. |
| -2 | Repair support assembly | |||||
| -3 | Repair support assembly if cracks are evident in Area J | |||||
| -4 | Repair damaged or missing bolt holes and scallops | |||||
| -5 | Repair fretting on surface D | |||||
| -6 | Repair out of round Dia. A & under sized dia. B by metal spray | |||||
| -7 | Repair fretting on surface G | |||||
| 89 | TRP/49-21/089 | BEARING HOUSING ASSEMBLY | 696659-110/-120/-140/-160/-170 | 49-21-73 | (1)(2)(3) | Repair cracked damage. |
| -4 | Repair damaged Diameter D shows fretting of 0.025 inch or more in depth. | |||||
| (5) (6) (7) (8) | Repair damaged surface M and N. | |||||
| (10) (11) (12) | Repair damaged Surface P | |||||
| (14) (15) | Repair damaged inside diameter of sleeve | |||||
| (16) (17) | ||||||
| -18 | Replace bearing housing assembly sleeve | |||||
| -19 | Replace damaged oil tube in housing assembly | |||||
| -20 | Repair leakage of bearing housing assembly by replacing ring | |||||
| -21 | (Part No. 696659‑70) Replace deswirl vanes | |||||
| -22 | Repair damaged threads in tapped flange holes | |||||
| -23 | Repair Diameters B and/or W and Surfaces P and/or R by the application of metal spray | |||||
| 90 | TRP/49-21/090 | COMBUSTION CHAMBER LINER ASSEMBLY | 698168-1 THROUGH -8 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| 91 | TRP/49-21/091 | EXHAUST DUCT FLANGE ASSEMBLY | 698170-1 | 49-21-73 | -1 | Weld repair cracks |
| -2 | Replace damaged nut plates | |||||
| 92 | TRP/49-21/092 | FIRST STAGE IMPELLER | 698192-2/-4 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -4 | Machine Diameter B to remove damage. | |||||
| -5 | Balance the impeller. | |||||
| -6 | Shot peen the impeller. | |||||
| -7 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -8 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -9 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -10 | Weld repair Diameter D and/or Surface F (REPAIR OUTSIDE) | |||||
| -11 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 93 | TRP/49-21/093 | SECOND STAGE IMPELLER | 698193-2/-4 | 49-21-73 | -1 | Straighten repair of blades bent condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of nicks, dents or vibroscribe markings from backface. | |||||
| -4 | Hand finish repair of raised material in curvic tooth surface | |||||
| -5 | Machine Diameter D to remove damage. | |||||
| -6 | Metal spray repair Diameters B, C and/or D. Refer to Figure 601 (Sheet 6). | |||||
| -7 | Balance the impeller. Refer to SPM 20-00-02/70-00-01, Method 412B. | |||||
| -8 | Shot peen the impeller. | |||||
| -9 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -10 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -11 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -12 | Weld repair Diameters B, C and/or Surface A (REPAIR OUTSIDE) | |||||
| -13 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 94 | TRP/49-21/094 | FIRST STAGE DIFFUSER | 698194-1 | 49-21-73 | -1 | Repair loose or damaged Inserts. |
| -2 | Repair damaged Vane. | |||||
| -6 | Rework diffuser to incorporate steel vanes | |||||
| (7)(a) | Rework Surfaces A and C. | |||||
| (7)(b)(1) | Rework Surfaces A | |||||
| (7)(b)(2) | Rework Surfaces C | |||||
| (8)(a) | Rework Diameter AC and DC | |||||
| (8)(b)(1) | Rework Diameter AC by Metal Spray. | |||||
| (8)(b)(2) | Rework Diameter DC by Metal Spray. | |||||
| -9 | Repair the vane tips by weld repair to remove erosion | |||||
| -10 | Weld repair vane tips to clean up erosion | |||||
| -11 | Repair the fretting and/or corrosion damage to the port flange surfaces. | |||||
| 95 | TRP/49-21/095 | SECOND STAGE DIFFUSER HOUSING ASSEMBLY | 698195-1 THROUGH -5/-7/-8/-10/-12 | 49-21-73 | -1 | Replace damaged or loose inserts and studs |
| -2 | If examination revealed corrosion in O‑ring groove (Detail A) | |||||
| (2A) | Repair O‑ring groove if corrosion is more than machining limits | |||||
| (2B) | Repair Diameter P | |||||
| (3)(3A)(4) | Repair Surface FF | |||||
| (5)(a) | Repair Surface HH | |||||
| (5)(b) | Repair Surface HH and UU using metal spray | |||||
| (6)(a) | Repair Surface AA | |||||
| (6)(b) | Repair Surface AA using metal spray | |||||
| -7 | Repair Corrosion damage | |||||
| (7A) | Repair Heavy Corrosion damage at Air flow area. | |||||
| (11A) | (Recommended Method) Replace shroud contour with a Flanged Sleeve Part No. 966664‑1 or –2. | |||||
| -13 | (Alternate Method 2) Replace shroud contour | |||||
| -14 | (Alternate Method 3) Replace shroud contour | |||||
| -15 | Repair cracks or stripped threads in mounting pads | |||||
| (15A) | Repair cracks next to mount pads | |||||
| -16 | Repair stripped or damaged threads in housing assembly | |||||
| -17 | Repair Diameter Q with metal spray. Refer to SPM, Method 403D and Table 603 | |||||
| (18)(a) | Repair Diameters A and B and face of groove | |||||
| (18)(b) | Repair Diameter A, face of groove and Diameter B (Alternate metal spray method). | |||||
| -19 | Sleeve corroded or damaged bolt holes on 9.800 inches or 17.25 in. diameter bolt circle | |||||
| -20 | Repair Surface FF by installing ring | |||||
| (21) (22) (23) | Repair Surface UU with plate | |||||
| -24 | Weld repair the outer edge of packing groove | |||||
| -25 | Repair Thread Hole Blow out per SB GTCP85-49-7638 (Permanent Repair – Applies only if the APU is to be disassembled) | |||||
| -25 | Repair Thread Hole Blow out per SB GTCP85-49-7638 (Temporary Repair – Applies only if the APU is not to be disassembled) | |||||
| -26 | Repair damaged coating. | |||||
| -27 | Repair Light damage on Surface UU | |||||
| -28 | Repair Heavy Corrosion damage at Surface FF. | |||||
| -12 | (Alternate Method) Repair by Replace shroud contour with fabricate a Flanged Sleeve | |||||
| 96 | TRP/49-21/096 | INLET ASSEMBLY | 698197-1/-2 | 49-21-73 | (1)(a) | Repair Surface F. |
| (1)(b) | Repair Surface F by Metal Spray. | |||||
| -2 | Repair Diameter A to get dimensional limits | |||||
| (3)(a) | Rework Surface C to limit of Dimension J | |||||
| (3)(b) | Rework Surface C to limit of Dimension J by Metal Spray | |||||
| -4 | Repair Surface F by fabricate sleeve. | |||||
| (5)(a) | Repair/Rework Diameter B | |||||
| (5)(b) | Repair/Rework Diameter B by Metal Spray | |||||
| (5)(c) | Repair/Rework Diameter B by fabricate sleeve | |||||
| -6 | Repair Diameter Q to dimensional limits. | |||||
| -7 | Rework Diameter CA. See Sheets 10 through 13. | |||||
| (7A) | Repair Surface D by Wire Arc metal spray. | |||||
| -8 | Repair Diameter A, if damaged beyond metal spray limits, by installing a sleeve | |||||
| Repair damaged coating. | ||||||
| 97 | TRP/49-21/097 | INTERSTAGE HOUSING ASSEMBLY | 698198-1 | 49-21-73 | (1)(a) | Repair Surface F |
| (1)(b) | To repair major rubs | |||||
| (1A) | Repair Diameter A | |||||
| -2 | Repair Diameter B | |||||
| (3)(a) | Surface E can be reworked to establish parallelism | |||||
| (3)(b) | Surface E by Metal Spray | |||||
| (3A) | Repair pitting and other corrosion damage on duct mounting flanges | |||||
| -4 | Repair Surface F by replace shroud contour | |||||
| -5 | Repair damage on Diameter B | |||||
| (6)(a) | Repair Diameter C | |||||
| (6)(b) | Repair Diameter C by Metal Spray | |||||
| (6)(c) | Repair Diameter C by Sleeve | |||||
| Repair damaged coating. | ||||||
| 98 | TRP/49-21/098 | TURBINE PLENUM ASSEMBLY | 698400-1/-2/-3 | 49-21-73 | (1)(3)(4) | Repair crack in weld seam (Item 1) |
| (2)(3)(4) | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seam (Item 3) by patching | |||||
| 99 | TRP/49-21/099 | COMBUSTOR CAP ASSEMBLY | 698402-1 | 49-21-73 | -1 | Cold straighten combustor cap assembly |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -4 | Repair combustor cap assembly atomizer mounting surface. | |||||
| 100 | TRP/49-21/100 | EXHAUST FLANGE ASSEMBLY | 698406-1/-2/-3 | 49-21-73 | -1 | Weld repair cracks |
| 101 | TRP/49-21/101 | PINION GEAR | 698816 | 49-21-73 | -1 | Repair Diameter A or B |
| 102 | TRP/49-21/102 | GENERATOR DRIVE SPUR GEAR ASSEMBLY | 698817 | 49-21-73 | -1 | Repair loose plug in gear assembly. |
| -2 | Repair Diameter A or B | |||||
| -3 | Balance generator drive spur gear assembly. | |||||
| -4 | Repair Output drive gearshaft assembly gear teeth | |||||
| 103 | TRP/49-21/103 | SPUR GEAR | 698818-1 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage. |
| 104 | TRP/49-21/104 | SPUR GEAR | 698819 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage. |
| 105 | TRP/49-21/105 | SPUR GEAR | 698820 | 49-21-73 | -1 | Repair Diameter A or B if inspection reveals damage |
| 106 | TRP/49-21/106 | PLANET GEAR BUSHING | 74340 | 49-21-73 | -1 | Repair worn or damaged lead plating on bushing |
| 107 | TRP/49-21/107 | DRIVE GEAR ASSEMBLY | 75331-2/-4 | 49-21-73 | -1 | Repair drive gear pin holes |
| -2 | Repair bearing diameter of gear | |||||
| 108 | TRP/49-21/108 | VANE HOUSING ASSEMBLY | 75970 | 49-21-73 | -1 | Remove nicks, burrs, or rub marks (Item 1) |
| -2 | If inserts (Item 2) are loose or damaged | |||||
| 109 | TRP/49-21/109 | HUB AND FAN ASSEMBLY | 75973 | 49-21-73 | -1 | Repair fan assembly |
| 110 | TRP/49-21/110 | ACCESSORY DRIVE SHAFT ASSEMBLY | 76081-6 | 49-21-73 | -1 | Repair drive shaft assembly |
| 111 | TRP/49-21/111 | FAN AIR INLET PLENUM ASSEMBLY | 76098 | 49-21-73 | -1 | Repair cracks (items 1 and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) by patching | |||||
| -3 | Remove damaged nut plates (item 4) | |||||
| 112 | TRP/49-21/112 | SECOND STAGE COMPRESSOR DIFFUSER | 892290-1/-2/-4 | 49-21-73 | -1 | Repair damaged Surface E |
| -2 | Repair damaged vane leading edge | |||||
| -4 | Repair damaged Diameter D | |||||
| -5 | Repair damaged Diameter C | |||||
| -3 | If visual check revealed damaged paint areas on vanes | |||||
| 113 | TRP/49-21/113 | AIR DUCT ASSEMBLY | 892292-1/-2/-3/-4/-5/-6/-7 | 49-21-73 | -1 | Repair duct assembly fiberglass, nutplate and gasket |
| (2)(3)(4) | Replace small and large flange | |||||
| (2)(4) | Repair damaged flange by weld | |||||
| 114 | TRP/49-21/114 | COMPRESSOR INLET PLENUM ASSEMBLY | 892294-1/-2/-3/-4 | 49-21-73 | -1 | Repair cracks (Items 1 and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Remove damaged nut plates | |||||
| 115 | TRP/49-21/115 | COMBUSTION CHAMBER LINER ASSEMBLY | 899155-1/-2/-3/-4/-5 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| (9)(a) | (Part No. 899155‑4/‑5) Replace damaged wiggle strip | |||||
| (9)(b) | Replace damaged wiggle strip by replacing entire discharge ring. | |||||
| -10 | Apply thermal barrier coating to the inside surface of the combustor | |||||
| 116 | TRP/49-21/116 | COMBUSTION CHAMBER LINER ASSEMBLY | 899244-1/-2/-3/-4/-5 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| 117 | TRP/49-21/117 | COMBUSTOR CAP ASSEMBLY | 899323-1/-2/-3/-4 | 49-21-73 | -1 | Cold straighten combustor cap assembly dents to necessary dimensions |
| -2 | Weld repair cracks in combustor cap assembly | |||||
| -4 | Repair combustor cap assembly atomizer mounting surface | |||||
| 118 | TRP/49-21/118 | OIL COOLER BRACKET | 899331-1/-2 | 49-21-73 | -1 | Repair cracks with weld. |
| 119 | TRP/49-21/119 | TURBINE TORUS ASSEMBLY | 899373-1/-2/-3/-3-359 | 49-21-73 | -1 | Repair cracked in torus skin |
| (1A) | Repair cracks in weld | |||||
| (1B) | Replace the Torus Ring Part No. 968509‑1 | |||||
| -2 | Repair cracked containment ring | |||||
| -3 | Repair damaged torus skin (Inconel 600 or Hastelloy X stock) by patching | |||||
| -4 | Replace damaged inlet flange (Haynes 25 stock). Remove the old inlet flange and install new Inlet Flange Part No. 3602679‑1 | |||||
| (4A) | Replace damaged inlet flange (Haynes 25 stock). Remove the old inlet flange and install a new Inlet Flange P/N 3602679‑2 | |||||
| -5 | Replace damaged studs | |||||
| -6 | Replace damaged ring and shield assembly | |||||
| -7 | Replace damaged cover assembly | |||||
| 120 | TRP/49-21/120 | TURBINE PLENUM ASSEMBLY | 899374-1 | 49-21-73 | (1)(3)(4) | Repair crack in weld seam (item 1) |
| (2)(3)(4) | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seam (item 3) by patching | |||||
| 121 | TRP/49-21/121 | EXHAUST PIPE ASSEMBLY | 899607-1 | 49-21-73 | -1 | Repair Procedures - DELETED. Part has to be reworked per Service Bulletin 49-A5078 |
| 122 | TRP/49-21/122 | COMBUSTION CHAMBER LINER ASSEMBLY | 899930-1/-3 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged deflector | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| -8 | Replace floating grommet | |||||
| 123 | TRP/49-21/123 | TURBINE SEAL | 899987-1 | 49-21-73 | -1 | Repair housing |
| 124 | TRP/49-21/124 | FIRST STAGE IMPELLER | 966568-1 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -4 | Machine Diameter B to remove damage. | |||||
| -5 | Balance the impeller. | |||||
| -6 | Shot peen the impeller. | |||||
| -7 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -8 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -9 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -10 | Weld repair Diameter D and/or Surface F (REPAIR OUTSIDE) | |||||
| -11 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| Remarking Part No. and Serial No. | ||||||
| 125 | TRP/49-21/125 | SECOND STAGE COMPRESSOR ROTOR | 966569-1/-2 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -4 | Machine Diameter B to remove damage. | |||||
| -5 | Balance the impeller. | |||||
| -6 | Shot peen the impeller. | |||||
| -7 | Weld repair of blade leading edge and contour. | |||||
| -8 | Grind repair of curvic. | |||||
| -9 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -10 | Weld repair Diameter D and/or Surface F (REPAIR OUTSIDE) | |||||
| -11 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 126 | TRP/49-21/126 | FIRST STAGE IMPELLER | 966570-1 | 49-21-73 | -1 | Straighten repair of bent blade condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of raised material in curvic tooth surface. | |||||
| -4 | Machine Diameter B to remove damage. | |||||
| -5 | Balance the impeller. | |||||
| -6 | Shot peen the impeller. | |||||
| -7 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -8 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -9 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -10 | Weld repair Diameter D and/or Surface F (REPAIR OUTSIDE) | |||||
| -11 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| Remarking Part No. and Serial No. | ||||||
| 127 | TRP/49-21/127 | SECOND STAGE IMPELLER | 966571-1 | 49-21-73 | -1 | Straighten repair of blades bent condition. |
| -2 | Remove nicks, dents, rubs, or other blade damage. | |||||
| -3 | Hand finish repair of nicks, dents or vibroscribe markings from backface. | |||||
| -4 | Hand finish repair of raised material in curvic tooth surface | |||||
| -5 | Machine Diameter D to remove damage. | |||||
| -6 | Metal spray repair Diameters B, C and/or D. Refer to Figure 601 (Sheet 6). | |||||
| -7 | Balance the impeller. Refer to SPM, Method 412B. | |||||
| -8 | Shot peen the impeller. | |||||
| -9 | Weld repair of blade leading edge & contour (REPAIR OUTSIDE) | |||||
| -10 | Grind repair of curvic (REPAIR OUTSIDE) | |||||
| -11 | Weld repair of curvic (REPAIR OUTSIDE) | |||||
| -12 | Weld repair Diameters B, C and/or Surface A (REPAIR OUTSIDE) | |||||
| -13 | Replace curvic coupling and barrel (REPAIR OUTSIDE) | |||||
| 128 | TRP/49-21/128 | BEARING HOUSING ASSEMBLY | 966578-9/-11/-12/-13 | 49-21-73 | (1) (2) (3) | Repair cracked damage. |
| -4 | Repair damaged Diameter D | |||||
| (5) (6) (7) (8) | Repair damaged Surfaces M and N | |||||
| (10) (11) (12) | (Preferred Method) Repair damaged Surfaces P and R | |||||
| (13) (14) (15) (16) | Repair damaged inside diameter of sleeve (Diameter F) | |||||
| -17 | Replace deswirl vanes | |||||
| -18 | Replace bearing housing assembly sleeve | |||||
| -19 | Replace damaged oil tube in housing assembly | |||||
| -20 | Repair leakage of bearing housing assembly by replacing ring | |||||
| -21 | Repair damaged threads in tapped flange holes | |||||
| -22 | Repair Diameters B and/or W and Surfaces P and/or R by the application of metal spray | |||||
| 129 | TRP/49-21/129 | EXHAUST PIPE ASSEMBLY | 966580 | 49-21-73 | -1 | Repair weld cracks in tube wall |
| -2 | Repair weld circumferential cracks in radius of flange | |||||
| -3 | Repair cracked weld or brazed joint in Area A | |||||
| -4 | Repair threads in bolt holes that are damaged beyond simple repair | |||||
| -5 | Repair oversize thread in forward flange | |||||
| -6 | Replace threaded flange | |||||
| 130 | TRP/49-21/130 | TURBINE TORUS ASSEMBLY | 966582-1/-2/-6/-8 through -12/-14 through -28 | 49-21-73 | (1)(a) | Repair cracked torus skin |
| (1)(b) | Repair cracks in seam weld using Hastelloy X stock | |||||
| (2)(a) | Repair cracked forged ring | |||||
| (2)(b) | Erosion on inside surface of forged ring exceeding 0.100 inch or leaving less than 0.075 inch thickness | |||||
| (2)(c) | Cracks in stud bolt areas shall be repair welded | |||||
| -3 | Repair damaged torus skin (Inconel 600 or Hastelloy X stock) by patching | |||||
| -4 | Replace damaged inlet flange (Haynes 25 stock). Remove the old inlet flange and install new Inlet Flange Part No. 3602679‑1 | |||||
| (4A) | Replace damaged inlet flange (Haynes 25 stock). Remove the old inlet flange and install a new Inlet Flange Part No. 3602679‑2 | |||||
| -5 | Replace damaged studs | |||||
| -6 | Replace damaged ring and shield assembly | |||||
| -7 | Replace damaged cover assembly | |||||
| 131 | TRP/49-21/131 | TURBINE WHEEL SHROUD | 966583-1 | 49-21-73 | (1)(a)(b) | Repair turbine wheel shroud |
| (1)(c) | Repair damaged Diameter A | |||||
| (1)(d) | Repair damaged Diameter B | |||||
| (1)(e) | Repair damaged bolt holes. | |||||
| 132 | TRP/49-21/132 | SUPPORT ASSEMBLY | 966584-1 THROUGH -5 | 49-21-73 | -1 | Replace damaged ring of support assembly. |
| -2 | Repair support assembly. | |||||
| -3 | Repair support assembly if cracks are evident in Area J | |||||
| -4 | Repair damaged or missing bolt holes and scallops | |||||
| -5 | Repair fretting on surface D | |||||
| -6 | Repair out of round Dia. A and under sized diameter B by metal spray | |||||
| -7 | Repair fretting on surface G | |||||
| 133 | TRP/49-21/133 | WHEEL AND SHAFT ASSEMBLY | 966625-1/-2/-4/-7/-8 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Secure loose cupped expansion plug in shaft | |||||
| (1)(d) | Repair damage or wear to internal spline area of shaft | |||||
| (2)(13)(14) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel backface (Surface J) damage | |||||
| -4 | Repair turbine wheel saddle area (surface JL) damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion damage | |||||
| -6 | Repair turbine wheel blade contour, Surface G, damage | |||||
| -7 | Repair exducer portion of wheel and shaft assembly | |||||
| -8 | Repair turbine wheel exducer blade tip damage if not bent more than 30 degrees. More than 30 degrees | |||||
| -9 | Repair turbine wheel exducer, cracks at blade trailing edge | |||||
| -10 | (Part No. 966625‑1/‑2/‑4) Do a resonant frequency check of exclucer blades after repair with an alternate test set | |||||
| -11 | Remove and replace exducer | |||||
| -12 | Balance wheel and shaft assembly | |||||
| -13 | Repair internal diameter of shaft to salvage part | |||||
| (14) (15) | Install a replacement wheel on Shaft Part No. 968662‑1. | |||||
| -16 | Repair the fretting and/or corrosion damage to the port flange surfaces | |||||
| 134 | TRP/49-21/134 | WHEEL AND SHAFT ASSEMBLY | 968095-1/-3/-5/-X-360 | 49-21-73 | -1 | Repair shaft assembly |
| (1)(c) | Secure loose cupped expansion plug in shaft | |||||
| (1)(d) | Repair damage or wear to internal spline area of shaft | |||||
| (2)(11)(14) | Replace shaft assembly | |||||
| -3 | Repair turbine wheel blade trailing edge damage | |||||
| -4 | Repair turbine wheel saddle area damage | |||||
| -5 | Repair turbine wheel blade tip cracks and erosion damage | |||||
| -6 | Repair turbine wheel blade tip impact damage | |||||
| -7 | Repair turbine wheel blade leading edge minor damage | |||||
| -8 | Repair turbine wheel blade leading edge damage if beyond step (7) limits | |||||
| -9 | Repair turbine wheel blade contour damaged, Surface G, | |||||
| -10 | Balance wheel and shaft assembly. Refer to SPM, Method 412A, 412C | |||||
| -11 | Repair internal diameter of shaft to salvage part. | |||||
| 135 | TRP/49-21/135 | COMPRESSOR INLET PLENUM ASSEMBLY | 968098-2 | 49-21-73 | -1 | Repair cracks (items 1 and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Remove damaged nut plates (item 4). | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| 136 | TRP/49-21/136 | TURBINE WHEEL SHROUD | 968233-1/-1-189 | 49-21-73 | -1 | If Diameter E is out of tolerance |
| -2 | Machine a minimum amount of material from Surface M | |||||
| -3 | Machine Diameters B and C | |||||
| -4 | If Surface K is not flat to specified limits | |||||
| (4A) | Repair wear or damage on Diameter B using plasma spray | |||||
| (6)(7) | Repair cracks in Surface H, by hand finish | |||||
| -8 | Repair cracks in Surface H, by Machining | |||||
| -9 | Repair Threads damage | |||||
| (5) (10) | If nozzle spacer contact areas on Surface F are not perpendicular to the limits specified or if spacer fretting of Surface M goes beyond 0.015 inch | |||||
| 968233-4/-4-189 | 49-21-73 | -1 | Repair Diameter E | |||
| -2 | Machine a minimum amount of material from Surface M | |||||
| -3 | Machine Diameters B and C | |||||
| -4 | If Surface T is not flat to specified limits | |||||
| -5 | Repair damage contact areas on Surface M less than 0.015 in. | |||||
| (6) (7) (8) | Repair cracks in Surface H, by hand finish | |||||
| -9 | Repair cracks in Surface H, by Machining | |||||
| -10 | Repair Threads damage | |||||
| -11 | Repair damage contact areas on Surface M more than 0.015 in | |||||
| 137 | TRP/49-21/137 | TURBINE PLENUM ASSEMBLY | 968613-1 | 49-21-73 | (1) (3) | Repair crack in weld seam (item 1) |
| (2) (3) | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seam (Item 3) | |||||
| 138 | TRP/49-21/138 | COMPRESSOR INLET PLENUM ASSEMBLY | 968844-1 | 49-21-73 | -1 | Repair cracks (items 1 and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Remove damaged nut plates (item 4). | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| -5 | Weld loose brackets (Item 5) | |||||
| 139 | TRP/49-21/139 | EXHAUST DUCT FLANGE ASSEMBLY | 968867-1 | 49-21-73 | -1 | Weld repair cracks |
| 140 | TRP/49-21/140 | EXHAUST DUCT FLANGE ASSEMBLY | 968886-1/-5 | 49-21-73 | -1 | Remove cracks or feathering on trailing edge |
| -2 | Repair erosion and corrosion of vane leading edge | |||||
| (3) (4) (6) | Repair/Machine Diameters A and B Dimensions D | |||||
| 141 | TRP/49-21/141 | CONTAINMENT RING | 968958-1/-2/-3/-4 | 49-21-73 | -1 | Repair damaged Ring |
| 142 | TRP/49-21/142 | TURBINE TORUS ASSEMBLY | 968959-2/-3/-4/-5/-8/-9/-11/-12/-13/-22/-23/-26 | 49-21-73 | -1 | Repair cracked torus skin |
| (2) (2A) | Repair damaged torus skin (Inconel 600 or Hastelloy X stock) with welded scab patch | |||||
| -3 | Replace damaged inlet flange Remove the old inlet flange and install new Inlet Flange Part No. 3602679‑1 | |||||
| (3A) | Replace damaged inlet flange (Haynes 25 stock). Remove the old inlet flange and install a new Inlet Flange Part No. 3602679‑2 | |||||
| -4 | Replace damaged studs | |||||
| (1)1 | (P/N 968959-2/-3) Replace damaged ring and shield assembly | |||||
| (1)2 | (P/N 968959-4/-5/-8/-9/-11/-12/-13) Replace worn or damaged ring and shield assembly | |||||
| (1)3 | Replace damaged ring and cone assembly | |||||
| (1)4 | (P/N 968959-22/-23/-26) Replace damaged flange | |||||
| 143 | TRP/49-21/143 | TURBINE NOZZLE BOLT SPACERS | 968969-1/-2 | 49-21-73 | -1 | Repair damaged Surfaces B and C |
| 144 | TRP/49-21/144 | COMBUSTION CHAMBER LINER ASSEMBLY | 968984-1/-1-189/-4/-4-189 | 49-21-73 | -1 | Repair minor scratches or rub marks |
| -2 | Repair fretting or out of flatness of Surface G | |||||
| -3 | Repair damaged Diameter C | |||||
| -4 | Repair damaged Diameter B | |||||
| -5 | Repair nick, dent and scoring | |||||
| -6 | Repair fretting on Surface Q | |||||
| -7 | Repair damaged Diameter R | |||||
| (7)(h) | Repair Cracks in the outer bolts holes | |||||
| -8 | Repair worn or damaged Diameter B with Metal Spray | |||||
| -9 | Repair worn or damaged Diameter A. | |||||
| -10 | Repair worn or damaged Diameter C using metal spray coating | |||||
| -1 | Repair damaged Surface G | |||||
| 145 | TRP/49-21/145 | COMBUSTION CHAMBER LINER ASSEMBLY | 969233-1/-2 | 49-21-73 | -1 | Repair cracks |
| -2 | Repair metal thinning due to corrosion or erosion and deformation | |||||
| -3 | Replace cap assembly | |||||
| -4 | Replace damaged grommet | |||||
| -5 | Replace damaged cooling skirts | |||||
| -6 | Replace damaged discharge ring | |||||
| -7 | Replace damaged spacers | |||||
| 146 | TRP/49-21/146 | TURBINE WHEEL SHROUD | 969293-1/-1-189 | 49-21-73 | -1 | Repair damaged Diameter E |
| -2 | Repair damaged Surface M | |||||
| -3 | Repair damaged Diameter B and C | |||||
| -4 | Repair damaged Surface B by Metal Spray. | |||||
| -5 | Repair Surface K | |||||
| (7) (8) | Repair Cracked damage in Surface H. | |||||
| (9) (10) | Repair rub marks on Surface H | |||||
| -11 | Repair/Chase damaged threads. | |||||
| (12) (6) | Repair damaged Surface M Refer to Figure 602 step (1) | |||||
| 969293-2/-2-189 | 49-21-73 | -1 | Repair damaged Diameter E | |||
| -2 | Repair damaged Surface M | |||||
| -3 | Repair damaged Diameter B and C | |||||
| -4 | Repair Surface T | |||||
| (6) (7) | Repair Cracked damage in Surface H. | |||||
| (8) (9) | Repair rub marks on Surface H | |||||
| -10 | Repair/Chase damaged threads | |||||
| (11)(5) | Repair damaged Surface M Refer to Figure 602 step (1) | |||||
| 147 | TRP/49-21/147 | COMPRESSOR INLET PLENUM ASSEMBLY | 976015-1/-5 | 49-21-73 | -1 | Repair cracks (items 1 and 3) |
| -2 | Repair crack in welded seam and adjoining material (item 2) | |||||
| -3 | Remove damaged nut plates (item 4). | |||||
| -4 | Replace damaged or loose insulator strip (item 5) | |||||
| -5 | Repair damaged thermal lag coating locally or entire area. | |||||
| -6 | Repair Cracks emanating from slots (item 5). | |||||
| 148 | TRP/49-21/148 | OIL TANK ASSEMBLY | 976036-1/-2/-3/-4 | 49-21-73 | (1) (2) (3) (4) (5) (6) | Repair Damaged Oil Tank. |
| 149 | TRP/49-21/149 | TURBINE PLENUM ASSEMBLY | 976052-1/-2/-3/-4/-5 | 49-21-73 | -1 | Repair crack in weld seam (Item 1) |
| -2 | Repair cracks in mounting flange that are not longer than 4 inch length. | |||||
| -3 | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seams (Item 3) by patching. | |||||
| -4 | Repair the damaged boss. | |||||
| -5 | Repair stripped, worn or cut threads. | |||||
| -6 | Repair stripped worn or stripped holes in nameplate bracket. | |||||
| -7 | Repair Surface A Flatness. | |||||
| -8 | Repair Plenum Flange. | |||||
| 150 | TRP/49-21/150 | BAFFLE ASSEMBLY | 976079-1/-3/-4 | 49-21-73 | -1 | Repair weld cracks |
| -2 | (Part No. 976079‑4 only) Replace damaged loose or missing patch on face of the exhaust baffle | |||||
| 151 | TRP/49-21/151 | EXHAUST FLANGE ASSEMBLY | 976160-2/-3 | 49-21-73 | -1 | Weld repair cracks |
| -2 | Replace fittings | |||||
| -3 | Replace scupper | |||||
| -4 | Replace boss | |||||
| 152 | TRP/49-21/152 | BEARING HOUSING ASSEMBLY | 976979-1 | 49-21-73 | -1 | Repair cracked damage. |
| -2 | Repair damaged Diameter D | |||||
| -3 | Repair damaged Surfaces M and N | |||||
| -4 | (Preferred Method) Repair damaged Surfaces P and R | |||||
| -5 | Repair damaged inside diameter of sleeve (Diameter F) | |||||
| -6 | Replace damaged or loose pin | |||||
| -7 | (Part No. 976979‑1/‑3) Replace vanes | |||||
| -8 | Replace bearing housing assembly sleeve | |||||
| -9 | Replace damaged oil tube in housing assembly | |||||
| -10 | Repair leakage of bearing housing assembly by replacing ring | |||||
| -11 | Repair damaged threads in tapped flange holes | |||||
| -12 | Repair Diameters B and/or W and Surfaces P and/or R by the applying metal spray | |||||
| -13 | Repair cracked damage on vane | |||||
| -14 | ULTRASONIC Cleaning as Reference EI No. AG/49-21-0303. | |||||
| -15 | Repair the Ring Groove by blending and welding | |||||
| 153 | TRP/49-21/153 | EXHAUST PIPE ASSEMBLY | 976987-1 | 49-21-73 | -1 | Repair weld cracks in tube wall |
| -2 | Repair weld circumferential cracks in radius of flange | |||||
| -3 | Repair cracked weld or brazed joint in Area A | |||||
| -4 | Repair threads in bolt holes that are damaged beyond chasing, tapping and/or suitable insert | |||||
| -5 | Repair oversize thread in forward flange | |||||
| -6 | Replace threaded flange | |||||
| Repair threads in bolt holes that are damaged by helicoil insert installation | ||||||
| 154 | TRP/49-21/154 | FAN AIR INLET PLENUM | 977077-1 | 49-21-73 | -1 | Repair fan air line plenum cracks (items 1, 2, and 3) |
| -2 | Remove and replace damaged nut plates | |||||
| 155 | TRP/49-21/155 | TURBINE PLENUM ASSEMBLY | 977106-2 | 49-21-73 | -1 | Repair crack in weld seam (Item 1) |
| -2 | Repair crack in welded seam and adjoining material (Item 2) and crack in intersecting welded seams (Item 3) by patching. | |||||
| -3 | Heat treatment /stress relieve at approximately 1350 oF (732 oC) f or 30 minutes | |||||
| 156 | TRP/49-21/156 | MATCHED HOUSING ASSEMBLY SET | 977831-1/-5 | 49-21-73 | -1 | Repair damaged magnesium surfaces |
| -2 | Repair anodized aluminum parts | |||||
| -3 | Repair chipped, scratched or damaged painted or primed surfaces | |||||
| -4 | Prepare parts for repainting exterior surfaces only. | |||||
| -5 | Replace studs and inserts | |||||
| -6 | Repair steel parts. | |||||
| -7 | Replace loose, worn or damaged bushings | |||||
| -8 | Replace bushings (30 through 80 and 180 through 230) | |||||
| -9 | Repair Diameter FE and/or A to get dimensional limits | |||||
| -10 | Repair minor damage to Surface BB | |||||
| -11 | Repair alignment pin bushing(s) (90, 260, Sheet 1) if examination reveals damage | |||||
| -12 | Repair output housing assembly oil passage | |||||
| -13 | Repair output housing assembly high speed pinion bore | |||||
| -14 | Repair input housing assembly ribs | |||||
| -15 | Repair cracked lug for hole number 7 | |||||
| -16 | (Part No. 977831‑5) Replace nozzle and stud assembly | |||||
| -17 | Repair the oil jet bore by installation of a threaded sleeve | |||||
| -18 | Repair idler spur gearshaft boss, Centerline V11 | |||||
| -19 | Repair Gouging and scoring to accessory mount bores. | |||||
| -20 | Repair 2.8745 to 2,8755 inch Dia. E by apply Metal Spray. | |||||
| -21 | Plug repair damaged threads (9/16-18UNJF-3B) at AN-6 Oil Port on thin half of gearbox housing. | |||||
| 157 | TRP/49-21/157 | BEARING HOUSING ASSEMBLY | 977894-1/-2/-3/-8/-9 | 49-21-73 | (1) (2) (3) | Repair cracked damage. |
| -4 | Repair damaged Diameter D | |||||
| (5) (6) (7) (8) | Repair damaged Surfaces M and N | |||||
| (10) (11) (12) | (Preferred Method) Repair damaged Surfaces P and R | |||||
| (14) (15) (16) (17) | Repair damaged inside diameter of sleeve (Diameter F) | |||||
| -18 | Replace vanes (P/N 977894-8) | |||||
| -19 | Replace vanes (P/N 977894-9) | |||||
| -20 | Replace bearing housing assembly sleeve | |||||
| -21 | Replace damaged oil tube in housing assembly | |||||
| -22 | Repair leakage of bearing housing assembly by replacing ring | |||||
| -23 | Repair damaged threads in tapped flange holes | |||||
| -24 | Repair Diameters B and/or W and Surfaces P and/or R by metal spray | |||||
| -25 | ULTRASONIC Cleaning as Reference EI#AG/49-21-0303. | |||||
| 158 | TRP/49-21/158 | TURBINE SEAL | 977898-1 | 49-21-73 | -1 | Repair Housing |
| 159 | TRP/49-21/159 | COVER | 3602188-1 | 49-25-41 | -1 | Inspect and repaint part |
| 160 | TRP/49-21/160 | SEAL RING | 3604738 | 49-21-73 | -1 | Inspect Only |
| 161 | TRP/49-21/161 | BAFFLE ASSEMBLY | 3613511 | 49-21-73 | -1 | Repair/replace the damaged Rivets and Anchor Nut |
| -2 | Repair Cracked damage. | |||||
| -3 | Repair fretted at bolt hole. | |||||
| -4 | Repaint the green enamel on baffle assembly | |||||
| 162 | TRP/49-21/162 | CONTAINMENT RING | 3616426 | 49-21-73 | -1 | Inspect Only |
| 163 | TRP/49-21/163 | STARTER PAWL DRIVE JAW | 373781-2 | 49-21-73 | -1 | Inspect Only |
| 164 | TRP/49-21/164 | BEARING RETAINER | 379560 | 49-21-73 | -1 | Inspect, remove nick and score, repaint |
| 165 | TRP/49-21/165 | BEARING RETAINER | 379587 | 49-21-73 | -1 | Inspect, remove nick and score, repaint |
| 166 | TRP/49-21/166 | EXTERNAL HEAT SHIELD | 3844783-1/-2 | 49-21-73 | -1 | Inspect Only |
| 167 | TRP/49-21/167 | EXTERNAL HEAT SHIELD | 3844911 | 49-21-73 | -1 | Inspect Only |
| 168 | TRP/49-21/168 | MAIN DRIVE BEVEL GEAR | 73742 | 49-21-73 | -1 | Inspect Only |
| 169 | TRP/49-21/169 | BEVELED GEAR | 73744-2 | 49-21-73 | -1 | Inspect Only |
| 170 | TRP/49-21/170 | MAIN SHAFT | 73749-2/-3/-6 | 49-21-73 | -1 | Inspect Only |
| 171 | TRP/49-21/171 | GOVERNOR DRIVE GEAR | 73848-2 | 49-21-73 | -1 | Inspect Only |
| 172 | TRP/49-21/172 | CONTAINMENT RING | 966581-1 | 49-21-73 | -1 | Inspect Only |
| 173 | TRP/49-21/173 | TURBINE NOZZLE BOLT | 968972-1 | 49-21-73 | -1 | Inspect and remove nick and score |
| 174 | TRP/49-21/174 | HOUSING FLANGE | 969008 | 49-21-73 | -1 | Inspect Only |
| 175 | TRP/49-21/175 | NOZZLE AND STUD ASSY | 969022 | 49-21-73 | -1 | Inspect Only |
| 176 | TRP/49-21/176 | TORSION SHAFT | 969291 | 49-21-73 | -1 | Inspect Only |
| 177 | TRP/49-21/177 | BEARING RETAINER | 969416-1/-2 | 49-21-73 | -1 | Inspect, remove nick and score, repaint |
| 178 | TRP/49-90/178 | OIL TANK ASSEMBLY | 695147 | 49-90-35 | -1 | Inspect Only |
| 179 | TRP/49-13/179 | BRACKET | 65-50964-1 | 49-13-00 | -1 | Inspect, remove nick and score, repaint |
| 180 | TRP/49-10/180 | STAND ASSEMBLY | 65-62580 | 49-10-21 | -1 | Inspect Only |
| 181 | TRP/49-21/181 | BRACKET | 69-50854 | 49-13-00 | -1 | Inspect, remove nick and score, repaint |
| 182 | TRP/49-21/182 | HOSE | 113896 | 49-25-41 | -1 | Inspect, repair damaged rubber |
| 183 | TRP/49-90/183 | EGT THERMOCOUPLE | 304461-2 | 49-25-45 | -1 | Inspect Only |
| 184 | TRP/49-21/184 | SUPPORT ASSY IGN UNIT | 976129 | 49-25-41 | -1 | Inspect Only |
| 185 | TRP/49-21/185 | BAFFLE ASSEMBLY | 3613615 | 49-21-73 | -1 | Repair/replace the damaged Rivets and Anchor Nut |
| -2 | Repair Cracked damage. | |||||
| -3 | Repair fretted at bolt hole. | |||||
| -4 | Repaint the green enamel on baffle assembly | |||||
| 186 | TRP/49-21/186 | BAFFLE ASSEMBLY | 968538-1/-3/-6/-7/-8/-9 | 49-21-73 | -1 | Repair/replace the damaged Rivets and Anchor Nut |
| -2 | Repair Cracked damage. | |||||
| -3 | Repair fretted at bolt hole. | |||||
| -4 | Repaint the green enamel on baffle assembly | |||||
| 187 | TRP/49-21/187 | BAFFLE ASSEMBLY | 968539-1/-2 | 49-21-73 | -1 | Repair/replace the damaged Rivets and Anchor Nut |
| -2 | Repair Cracked damage. | |||||
| -3 | Repair fretted at bolt hole. | |||||
| -4 | Repaint the green enamel on baffle assembly | |||||
| 188 | TRP/49-25/188 | CDP ORIFICE | 3605837-2 | 49-25-45 | -1 | Inspect, remove nick and score, repaint |
| 189 | TRP/49-25/189 | BRACKET | 3870127 | 49-25-41 | -1 | Inspect, remove nick and score, re-protect alodine, repaint |
| 190 | TRP/49-41/190 | IGNITER PLUG LEAD | 369259 | 49-41-05 | -1 | Inspect Only |
| 191 | TRP/49-41/191 | IGNITER PLUG LEAD | 3888076 | 49-41-05 | -1 | Inspect Only |
| 192 | TRP/49-25/192 | HOSE | S9438A04 | 49-25-41 | -1 | Inspect, repair damaged rubber |
| 193 | TRP/49-25/193 | HOSE | S9438A08 | 49-25-41 | -1 | Inspect, repair damaged rubber |
| 194 | TRP/49-50/194 | SCREEN ASSY | 698423-1 | 49-50-37 | -1 | Inspect, repair damaged hole, repaint |
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