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ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement
GE PROPRIETARY INFORMATION The information contained in this document is GE proprietary information and is disclosed in con- fidence. It is the property of GE and shall not be used, disclosed to others or reproduced without the express written consent of GE, including, but without limitation, it is not to be used in the creation, manufacture, development, or derivation of any repairs, modi fications, spare parts, designs, or configuration changes or to obtain FAA or any other government or regulatory approval to do so. If consent is given for reproduction in whole or in part, this notice and the notice set forth on each page of this document shall appear in any such reproduction in whole or in part.
This technical data is considered EAR controlled pursuant to 15 CFR Parts 730-774 respectively.
Transfer of this data by any means to a Non-US Person, whether in the United States or abroad, without the proper U.S. Government authorization (e.g., License, exemption, NLR, etc.), is strictly prohibited.
Copyright (2015) General Electric Company, U.S.A.
GE Aviation authorizes the Federal Aviation Administration to incorporate this document by reference in an Airworthiness Directive.
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 1 of 19
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement
1. PLANNING INFORMATION A. Effectivity CF6-80C2A1/A2/A3/A5/A8/B1/B2/B4/B6 CF6-80C2A5F/B1F/B2F/B4F/B5F/B6F/B6FA/B7F/B8F/D1F This Service Bulletin is applicable to all CF6-80C2 engines.
This Service Bulletin has been introduced in production to these CF6-80C2 engines:
. CF6-80C2 engines, serial numbers 707-325 and up.
These serial numbers are the best available data.
The existing accessory heat shield assembly part numbers that are listed in T able 1 below are affected by this Service Bulletin:
T able 1 - Existing Part Numbers of Accessory Heat Shield Assemblies 1313M37G07 1313M37G11 1313M43G15 1313M43G19 1313M94G08 1313M94G09 1314M35G03 1378M49G01 1378M49G02 1378M49G03 1378M49G04 1378M49G05 1378M49G06 1378M49G07 1378M49G10 1378M49G11 1378M49G12 1378M49G13 1378M49G14 1378M49G15 1378M49G16 1378M50G04 1378M95G03 1378M95G05 1643M22G03 1643M22G05 1643M23G10 1643M23G11 1643M23G13 1678M11G01 1978M77G01 1978M77G02 1978M77G03 1978M77G04 1978M77G05 1978M77G06 1978M77G10 1978M77G11 1978M77G12 1997M43G01 1997M43G02 1997M43G03 1997M43G04 1997M43G05 1997M43G06 1997M43G10 1997M43G11 1997M43G12 1997M44G01 2022M46G01 2023M23G01 2023M23G02 -- -- -- B. Description This Service Bulletin incorporates seven thermal barrier coated (TBC) fire shields (plates) in the accessory heat shield assembly. These TBC plates will be installed in new accessory heat shield assemblies. The affected accessory heat shield assemblies will be reworked to incorporate the seven TBC plates in the field.
This Service Bulletin also provides instructions to rework the current accessory heat shield assembly using Repair Document (RD) 032-562.
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 2 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement C. Compliance Category 3 GE recommends that you do this Service Bulletin at the next shop visit of the engine/module.
NOTE: This Service Bulletin can be accomplished in shop.
This Service Bulletin is offered to improve the reliability or performance of your GE product, or to help prevent the occurrence of the event or condition described in this Service Bulletin. If the operator elects not to participate in the bulletin, that decision will be taken into consideration by GE in evaluating future product performance issues that may arise in the operator’s fleet.
D. Concurrent Requirements None.
E. Reason
(1) Objective:
T o rework parts and improve reliability.
(2) Condition:
The old accessory heat shield assembly incorporates three TBC plates.
However, one event caused secondary damage in the accessory compartment integrated drive generator (IDG) from direct impingement of a B-sump fire event caused by improper maintenance.
(3) Cause:
The old titanium accessory heat shield assembly leaves a large area above the sensitive accessories such as the IDG and the main fuel pump (MFP) without adequate protection.
(4) Improvement:
The new accessory heat shield assembly was redesigned to provide coating coverage on a more extensive area on top of the accessory heat shield.
Existing accessory heat shield assemblies in the field will be reworked to incorporate the seven TBC plates. The added TBC plates reduce the risk of high temperature air/gas entering to the accessory compartment and creating secondary hazards.
(5) Substantiation:
Substantiation is by analysis and comparative analysis.
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 3 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement F. Approval The data contained in this Service Bulletin has been reviewed by the appropriate governmental authority and the repair(s) and modi fication(s) herein comply with the applicable Aviation Regulations and are APPROVED for installation in the model(s) listed in this Service Bulletin.
G. Manpower After you get access to the accessory heat shield assembly, you will need approximately 5 man-hours to do the rework portion of this Service Bulletin.
H. Weight and Balance The complete compliance with this Servi ce Bulletin increases weight by 5.2 lb
(2.4 kg).
I. References (Use the latest version of these documents) GEK 92451, CF6-80C2 Engine Manual (EM) GEK 92452-1, CF6-80C2A (PMC) Illustrated Parts Catalog (IPC) GEK 92452-2, CF6-80C2B (PMC) Illustrated Parts Catalog (IPC) GEK 92452-3, CF6-80C2D (FADEC) Illustrated Parts Catalog (IPC) GEK 92452-4, CF6-80C2B (FADEC) Illustrated Parts Catalog (IPC) GEK 92452-5, CF6-80C2A (FADEC) Illustrated Parts Catalog (IPC) CF6-80C2 S/B 72-0276, ENGINE - Accessory Shield Assembly - Addition of Fire Shields CF6-80C2 S/B 72-0956, ENGINE - AGB Heat Shield (72-00-05) - Auxiliary Heat Shield Repair Document (RD) 032-562 (S1 or higher), Accessory Gearbox Heatshield - Accessory Shield Assembly - Alteration - Thermal Barrier Coating Improvement NOTE 1:G e t R D s f r o m G E :
E-mail: geae.aoc@ge.com OR GE Aviation M/D Rm. 285 One Neumann Way Cincinnati, OH 45215 U.S.A.
OR September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 4 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement International Phone: (513) 552-3272 U.S.A. Phone: 877-432-3272 NOTE 2: The reference documents listed below are for the engine manufacturer's internal use only:
CID: 569425, 569461 BPP: 12-72-00-07 J. Publications Affected GEK 92451, CF6-80C2 Engine Manual (EM) GEK 92452-1, CF6-80C2A (PMC) Illustrated Parts Catalog (IPC) GEK 92452-2, CF6-80C2B (PMC) Illustrated Parts Catalog (IPC) GEK 92452-3, CF6-80C2D (FADEC) Illustrated Parts Catalog (IPC) GEK 92452-4, CF6-80C2B (FADEC) Illustrated Parts Catalog (IPC) GEK 92452-5, CF6-80C2A (FADEC) Illustrated Parts Catalog (IPC) K. Interchangeability The old and new accessory heat shield assembly con figurations are physically interchangeable. However, functional interchangeability is impacted due to the additional sump fire protection of the new TBC plates and attaching hardware (bolts, self-locking nuts) required.
NOTE: The reworked accessory heat shield assembly is reidenti fied per RD 032-562 instructions into the new part number.
L. Software Accomplishment Summary Not applicable.
2. MATERIAL INFORMATION A. Material - Price and Availability
(1) Parts necessary to do this Service Bulletin:
Part Number Qty/ Eng Part Name Unit ($) Price Pkg Qty Lead Time Days 2608M18P01 (1) Shield, Fire 1,853.00 (1) Quote 2608M19P01 (1) Shield, Fire 1,853.00 (1) Quote September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 5 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement Part Number Qty/ Eng Part Name Unit ($) Price Pkg Qty Lead Time Days 2608M20P01 (1) Shield, Fire 3,103.00 (1) Quote 2608M21P01 (1) Shield, Fire 1,832.00 (1) Quote 2608M22P01 (1) Shield, Fire 1,853.00 (1) Quote 2608M23P01 (1) Shield, Fire 1,853.00 (1) Quote 2608M24P01 (1) Shield, Fire 1,853.00 (1) Quote AN123480* (12) Rivet NP (-) -- J1092P03 (15) Nut, Self-Locking 7.50 (50) 5 MS9556-06* (46) Bolt NP (-) -- MS9556-08* (6) Bolt NP (-) -- *Part not supplied by GE Engine Services Distribution L.L.C. Procure through local purchase.
NP = Not Provisioned NOTE: Prices are provided for planning purposes and are subject to change.
(2) Other Spare Parts:
Part Number Qty/ Eng Part Name Unit ($) Price Pkg Qty Lead Time Days 1378M49G17 (1) Shield Assembly, Heat Accessory Quote (1) Quote 1378M49G18 (1) Shield Assembly, Heat Accessory Quote (1) Quote 1378M50G06 (1) Shield, Heat Quote (1) Quote 1378M50G07 (1) Shield, Heat Quote (1) Quote NOTE: Prices are provided for planning purposes and are subject to change.
(3) Consumables:
Refer to RD 032-562.
B. Industry Support Information Contact your Customer Support Manager (CSM).
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 6 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement C. Configuration Chart New Part Number Qty/ Eng Part Name Old Part Number/ IPC Location Qty/ Eng Op Code Chg/ Sprt Code (PRODUCTION) 1458M84G01/ G02/G03/G04 (X) Accessory Drive Module 1458M84G01/ G02/G03/G04/ G05/G06 (X) RM -/- 9255M28G11/ G14/G15/G16 (X) Accessory Drive Module 9255M28G11/ G14/G15/G16 (X) RM -/- 9255M79G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G21 (X) Accessory Drive Module 9255M79G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G21 (X) RM -/- .1378M49G17 (1) Shield Assembly, Heat Accessory .1378M49G15 72-00-05-45-166
(1) RW/RI 5/A ..1378M50G06 (1) Shield, Heat ..1378M50G04 72-66-00-01-005
(1) RW 5/A ...MS20615-5M5 (70) Rivet ...MS20615-5M5 72-66-00-01-013 72-66-00-01-058 72-66-00-01-120 72-66-00-01-143 72-66-00-01-147 72-66-00-01-148 72-66-00-01-204 72-66-00-01-220 72-66-00-01-225 72-66-00-01-256 72-66-00-01-260
(78) QTC 5/E -- (-) Mount ...1378M50P037A 72-66-00-01-289
(1) DE 5/A ..1378M50G07 (ALT) Shield, Heat ..1378M50G05 72-66-00-01-005 (ALT) RW 5/A ...MS20615-5M5 (69) Rivet ...MS20615-5M5 72-66-00-01-120 72-66-00-01-143 72-66-00-01-220 72-66-00-01-225 72-66-00-01-285 72-66-00-01-385 72-66-00-01-410
(81) QTC 5/E September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 7 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement New Part Number Qty/ Eng Part Name Old Part Number/ IPC Location Qty/ Eng Op Code Chg/ Sprt Code -- (-) Mount ...1378M50P037A 72-66-00-01-289
(1) DE 5/A ..MS9556-06 (46) Bolt ..MS9556-06 72-66-00-01-421 72-66-00-01-425 72-66-00-01-430
(37) QTC 5/- -- (-) Shield, Fire ..1378M89G01 72-66-00-01-520
(1) DE 5/A -- (-) Shield, Fire ..1883M99P001A 72-66-00-01-520 (ALT) DE 5/A ..J1092P03 (15) Nut, Self-Locking ..MS21043-3 72-66-00-01-450
(3) RE/ QTC 5/E ..AS3486-09 (ALT) Nut, Self-Locking -- (-) AD 5/- ..MS9556-08 (6) Bolt ..MS9556-08 72-66-00-01-445
(3) QTC 5/- -- (-) Plate, Heat ..1991M54P01 72-66-00-01-580
(1) DE 5/A ..2608M18P01 (1) Shield, Fire -- (-) AD 5/- ..2608M19P01 (1) Shield, Fire -- (-) AD 5/- ..2608M20P01 (1) Shield, Fire -- (-) AD 5/- ..2608M21P01 (1) Shield, Fire -- (-) AD 5/- ..2608M22P01 (1) Shield, Fire -- (-) AD 5/- ..2608M23P01 (1) Shield, Fire -- (-) AD 5/- ..2608M24P01 (1) Shield, Fire -- (-) AD 5/- ..AN123480 (12) Rivet -- (-) AD 5/- 9255M28G10/ G12/G13/G17/ G18 (X) Accessory Drive Module 9255M28G10/ G12/G13/G17/ G18 (X) RM -/- .1378M49G18 (1) Shield Assembly, Heat Accessory .1378M49G16 72-00-05-45-166
(1) RW/RI 5/A ..1378M50G06 (1) Shield, Heat ..1378M50G04 72-66-00-01-005
(1) RW 5/A September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 8 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement New Part Number Qty/ Eng Part Name Old Part Number/ IPC Location Qty/ Eng Op Code Chg/ Sprt Code ...MS20615-5M5 (70) Rivet ...MS20615-5M5 72-66-00-01-013 72-66-00-01-058 72-66-00-01-120 72-66-00-01-143 72-66-00-01-147 72-66-00-01-148 72-66-00-01-204 72-66-00-01-220 72-66-00-01-225 72-66-00-01-256 72-66-00-01-260
(78) QTC 5/E -- (-) Mount ...1378M50P037A 72-66-00-01-289
(1) DE 5/A ..1378M50G07 (ALT) Shield, Heat ..1378M50G05 72-66-00-01-005 (ALT) RW 5/A ...MS20615-5M5 (69) Rivet ...MS20615-5M5 72-66-00-01-120 72-66-00-01-143 72-66-00-01-220 72-66-00-01-225 72-66-00-01-285 72-66-00-01-385 72-66-00-01-410
(81) QTC 5/E -- (-) Mount ...1378M50P037A 72-66-00-01-289
(1) DE 5/A ..MS9556-06 (46) Bolt ..MS9556-06 72-66-00-01-421 72-66-00-01-425 72-66-00-01-430
(37) QTC 5/- -- (-) Shield, Fire ..1378M89G01 72-66-00-01-520
(1) DE 5/A -- (-) Shield, Fire ..1883M99P001A 72-66-00-01-520 (ALT) DE 5/A ..J1092P03 (15) Nut, Self-Locking ..MS21043-3 72-66-00-01-450
(3) RE/ QTC 5/E ..AS3486-09 (ALT) Nut, Self-Locking -- (-) AD 5/- ..MS9556-08 (6) Bolt ..MS9556-08 72-66-00-01-445
(3) QTC 5/- -- (-) Plate, Heat ..1991M54P01 72-66-00-01-580
(1) DE 5/A September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 9 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement New Part Number Qty/ Eng Part Name Old Part Number/ IPC Location Qty/ Eng Op Code Chg/ Sprt Code ..2608M18P01 (1) Shield, Fire -- (-) AD 5/- ..2608M19P01 (1) Shield, Fire -- (-) AD 5/- ..2608M20P01 (1) Shield, Fire -- (-) AD 5/- ..2608M21P01 (1) Shield, Fire -- (-) AD 5/- ..2608M22P01 (1) Shield, Fire -- (-) AD 5/- ..2608M23P01 (1) Shield, Fire -- (-) AD 5/- ..2608M24P01 (1) Shield, Fire -- (-) AD 5/- ..AN123480 (12) Rivet -- (-) AD 5/- (FIELD ONLY) 1458M84G01/ G02/G03/G04 (X) Accessory Drive Module 1458M84G01/ G02/G03/G04 (X) RM -/- 9255M28G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G16/ G17/G18 (X) Accessory Drive Module 9255M28G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G16/ G17/G18 (X) RM -/- 9255M79G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G21 (X) Accessory Drive Module 9255M79G01/ G02/G03/G04/ G05/G06/G07/ G08/G09/G10/ G11/G12/G13/ G14/G15/G21 (X) RM -/- 1458M44G01/ G02/G03 (X) Accessory Drive Module 1458M44G01/ G02/G03 (X) RM -/- .2628M54G01 (1) Shield Assembly, Heat Accessory .1997M43G01 72-00-05-45-166
(1) RW/RI 5/A .2628M54G02 (1) Shield Assembly, Heat Accessory .1997M43G02 72-00-05-45-166
(1) RW/RI 5/A .2628M54G03 (1) Shield Assembly, Heat Accessory .1997M43G03 72-00-05-45-166
(1) RW/RI 5/A .2628M54G04 (1) Shield Assembly, Heat Accessory .1997M43G04 72-00-05-45-166
(1) RW/RI 5/A .2628M54G05 (1) Shield Assembly, Heat Accessory .1997M43G05 72-00-05-45-166
(1) RW/RI 5/A September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 10 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement New Part Number Qty/ Eng Part Name Old Part Number/ IPC Location Qty/ Eng Op Code Chg/ Sprt Code .2628M54G06 (1) Shield Assembly, Heat Accessory .1997M43G06 72-00-05-45-166
(1) RW/RI 5/A .2628M54G10 (1) Shield Assembly, Heat Accessory .1997M43G10 72-00-05-45-166
(1) RW/RI 5/A .2628M54G11 (1) Shield Assembly, Heat Accessory .1997M43G11 72-00-05-45-166
(1) RW/RI 5/A .2628M54G12 (1) Shield Assembly, Heat Accessory .1997M43G12 72-00-05-45-166
(1) RW/RI 5/A .2628M54G13 (1) Shield Assembly, Heat Accessory .1378M49G15 72-00-05-45-166
(1) RW/RI 5/A .2628M54G14 (1) Shield Assembly, Heat Accessory .1378M49G16 72-00-05-45-166
(1) RW/RI 5/A Operation Codes AD = Add DE = Delete QTC = Quantity Change RE = Replace RI = Re-identify RM = Remains RW = Rework Change Codes 5 = Quali fied interchangeability. Refer to paragraph 1.K., I nterchangeability.
Support Codes A = Old parts will no longer be supplied.
E = Old parts will be supplied, and can be used at other engine locations.
D. Parts Disposition Rework the old accessory heat shield assembly. Refer to RD 032-562.
Discard the old rivets, sel f-locking nuts, and bolts.
E. Tooling - Price and Availability Refer to RD 032-562.
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 11 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - Accessory Drive Module (72-00-05) - Rework of Accessory Heat Shield Assembly for TBC Protection Improvement
3. ACCOMPLISHMENT INSTRUCTIONS A. General
(1) Remove and disassemble the accessory heat shield assemblies (Figure 1) listed in paragraph 1.A., E ffectivity, T able 1 at the next shop visit. Refer to the CF6-80C2 EM, 72-00-05, DISASSEMBLY - EFFECT A, EFFECT B, and EFFECT C.
NOTE 1: The previous TBC protection plates were incorporated by CF6-80C2 S/B 72-0276 and CF6-80C2 S/B 72-0956.
NOTE 2: If for any reason either of CF6-80C2 S/B 72-0276 or CF6-80C2 S/B 72-0956 has not been complied with, you can still comply with this Service Bulletin. In this case, disregard the instructions that refer to the removal of the previous TBC protection plates.
(2) Do an inspection of the accessory heat shield assembly (Figure 1). Refer to the CF6-80C2 EM, 72-66-01, INSPECTION a nd 72-66-02, INSPECTION/CHECK.
(3) Rework the existing accessory heat shield assemblies identi fied in T able 2.
Refer to RD 032-562.
T able 2 Existing Accessory Heat Shield Assembly Identification Number 1378M49G15 1378M49G16 1997M43G01 1997M43G02 1997M43G03 1997M43G04 1997M43G05 1997M43G06 1997M43G10 1997M43G11 1997M43G12
(4) Assemble and install the reworked accessory heat shield assem bly (Figure 1).
Refer to the CF6-80C2 EM, 72-00-05, ASSEMBLY - EFFECT A, EFFECT B, and EFFECT C.
September 22, 2015 CF6-80C2 S/B 72-1520 PAGE 12 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.