| 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 |
