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TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update
GE PROPRIETARY INFORMATION The information contained in this document is GE proprietary information and is disclosed in confidence. 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 con figuration 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 (2013) General Electric Company, U.S.A.
March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 1 of 36
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update
TRANSMITTAL INFORMATION REVISION 1 TO SERVICE BULLETIN 72-0116 Revision 1 is issued to update paragraph 4., A PPENDIX A The original was issued on March 7, 2013. Revision bars in the left margin identify changes.
1. PLANNING INFORMATION A. Effectivity GEnx-2B67, -2B67B This Service Bulletin is applicable to these GEnx-2B engines:
. GEnx-2B engines, serial numbers 959-102 thru 959-104, 959-107, 959-110 thru 959-111, 959-113 thru 959-118, 959-121, 959-124 thru 959-133, 959-159 thru 959-161, 959-164, 959-176, and 959-191.
These serial numbers are the best available data.
B. Description This Service Bulletin provides an adjustm ent to the number of cycles on the rotating chapter 5 life limited parts (LLP) on the affected engines. This is required because missions flown during flight test certi fication program are more severe from a low cycle fatigue perspective for these parts than a typical revenue service flight.
C. Compliance Category 2 GE recommends that you do this Service Bulletin as soon as possible without effect on revenue service but before 90 days or 180 flight cycles, whichever is greater, of the issue date of this document.
D. Concurrent Requirements None.
E. Reason
(1) Objective:
T o update engine rotating chapter 5 LLP tracking records.
(2) Condition:
The affected engines were utilized in the B747-8 flight test program. When the aircraft were delivered to the operators, the cycles since new (CSN) recorded on the Engine Data Sheets were the number of flights flown during the flight test program.
March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 2 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update
(3) Cause:
Engineering analysis has shown that missions flo w no nt h eflight test program can be more severe with respect to rotating LLP cyclic life consumption than a revenue flight cycle. This is due to multiple changes in the engine rotor speed and thermal environment that are not performed in a typical revenue service flight.
(4) Improvement:
This Service Bulletin gives instructions for the operators to make a one time adjustment to their LLP cycle count tracking to account for the increased severity of the cycles completed during the flight test program.
(5) Substantiation:
Substantiation is by analysis.
F. Approval This Service Bulletin has been reviewed by the FAA and the repair(s) and modification(s) herein comply with the applicable Federal Aviation Regulations and are FAA APPROVED for installation in the model(s) listed in this Service Bulletin.
G. Manpower No additional man-hours are required to comply with this Service Bulletin.
H. Weight and Balance Weight and balance are not changed.
I. References None.
NOTE: The reference documents listed below are for the engine manufacturer's internal use only:
DRB: AvEng-373521.A DRB: AvEng-387230.A DRB: AvEng-387966.A J. Publications Affected None.
K. Interchangeability Not applicable.
March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 3 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update L. Software Accomplishment Summary Not applicable.
2. MATERIAL INFORMATION A. Material - Price and Availability
(1) Parts necessary to do this Service Bulletin:
None.
(2) Other Spare Parts:
None.
(3) Consumables:
None.
B. Industry Support Information None.
C. Configuration Chart Not applicable.
D. Parts Disposition None.
E. Tooling - Price and Availability None.
3. ACCOMPLISHMENT INSTRUCTIONS A. General
(1) Operators need to update their rotating part CSN records by adding the number of cycles in paragraph 4., APPENDIX A for each affected part to the current cycle count. This must be accom plished within 90 days or 180 cycles, whichever is greater, of the issue date of this document.
NOTE 1: The HPC stage 1 blisk was changed after completion of the flight test program and before delivery of the aircraft on the following engines:
959-102 thru 959-104, 959-107, 959-114 thru 959-118, 959-121, 959-124 thru 959-126. Thus, the records on this part do not need to be updated.
March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 4 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update NOTE 2: The HPC CDP seal was changed after completion of the flight test program and before delivery of the aircraft on engine 959-104. Thus, the records on this part do not need to be updated.
NOTE 3: The HPT forward seal and HPT interstage seal were changed after completion of the flight test program and before delivery of the aircraft on engine 959-107. Thus, the records on these parts do not need to be updated.
NOTE 4: The HPC forward seal was changed after completion of the flight test program and before delivery of the aircraft on engine 959-125. Thus, the records on this part do not need to be updated.
NOTE 5: Engineering analysis shows that the c ycles for the static LLP’s are not impacted by the additional throttle movements during flight testing and because of this, the CSN for the combustor case and the HPT stator case do not need to be updated.
4. APPENDIX A
(1) The parts affected are listed in the table below:
ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959102 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0560 1942 959102 222 830AH Booster Spool 10030732 VOLF0186 1942 959102 243 81002 Shaft-Fan 2335M98P01 NCE098DT 1942 959102 312 050AM Tube Support 2357M39P01 NCE865DE 1942 959102 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0G5JC 1942 959102 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0GAHN 1942 959102 315 050B5 Shaft-Forward 2357M38P01 NCE745DK 1942 959102 316 050NC Seal-CDP 2116M68P01 GFF5DRL9 1942 959102 317 056A1 Blisk-Stage 1 2448M41P01 GWN0P3RF 0 959102 318 056A2 Blisk-Stage 2 2311M52G02 GWN0G9GF 1942 959102 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKLD2 1942 959102 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0H685 1942 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 5 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959102 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0G9JP 1942 959102 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF013 1942 959102 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY507 1942 959102 53B 150A3 Seal-Forward 2417M60P01 NCE340EF 1942 959102 53K 150B4 Seal-HPT 2116M63P02 TMT2KD09 1942 959102 53M 150B3 Seal-Interstage 2352M63P02 GWN0H392 1942 959102 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAA58 1942 959102 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAA56 1942 959102 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA18 1942 959102 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA11 1942 959102 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA11 1942 959102 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA15 1942 959103 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0570 1942 959103 222 830AH Booster Spool 10030732 VOLF0232 1942 959103 243 81002 Shaft-Fan 2335M98P01 NCE617DJ 1942 959103 312 050AM Tube Support 2357M39P01 NCE750DK 1942 959103 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0G20W 1942 959103 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0H5G3 1942 959103 315 050B5 Shaft-Forward 2357M38P01 NCE666CK 1942 959103 316 050NC Seal-CDP 2116M68P01 GFF5E60L 1942 959103 317 056A1 Blisk-Stage 1 2448M41P01 GWN0NWHR 0 959103 318 056A2 Blisk-Stage 2 2311M52G02 GWN0FE80 1942 959103 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKFM2 1942 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 6 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959103 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0GDP5 1942 959103 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0HP8G 1942 959103 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF010 1942 959103 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY508 1942 959103 53B 150A3 Seal-Forward 2417M60P01 NCE539DW 1942 959103 53K 150B4 Seal-HPT 2116M63P02 TMT2KD18 1942 959103 53M 150B3 Seal-Interstage 2352M63P02 SPK95HKL 1942 959103 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAA75 1942 959103 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAA58 1942 959103 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA13 1942 959103 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA15 1942 959103 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA13 1942 959103 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA17 1942 959104 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0565 1942 959104 222 830AH Booster Spool 10030732 VOLF0228 1942 959104 243 81002 Shaft-Fan 2335M98P01 NCE097DT 1942 959104 312 050AM Tube Support 2357M39P01 NCE862DE 1942 959104 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0G0P7 1942 959104 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0HAG4 1942 959104 315 050B5 Shaft-Forward 2357M38P01 NCE032CP 1942 959104 316 050NC Seal-CDP 2116M68P01 GFF5GFD9 0 959104 317 056A1 Blisk-Stage 1 2448M41P01 GWN0P3RH 0 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 7 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959104 318 056A2 Blisk-Stage 2 2311M52G02 GWN0GPHJ 1942 959104 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKLCJ 1942 959104 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0GDPC 1942 959104 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0GTCF 1942 959104 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF015 1942 959104 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY512 1942 959104 53B 150A3 Seal-Forward 2417M60P01 NCE318EK 1942 959104 53K 150B4 Seal-HPT 2116M63P02 TMT2KD20 1942 959104 53M 150B3 Seal-Interstage 2352M63P02 SPK95D6P 1942 959104 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAA79 1942 959104 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAB14 1942 959104 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA16 1942 959104 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA17 1942 959104 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA21 1942 959104 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA20 1942 959107 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0575 968 959107 222 830AH Booster Spool 10030732 VOLF0229 968 959107 243 81002 Shaft-Fan 2335M98P01 NCE529EC 968 959107 312 050AM Tube Support 2357M39P01 NCE860DE 968 959107 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0FTNT 968 959107 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0H5G4 968 959107 315 050B5 Shaft-Forward 2357M38P01 NCE992EF 968 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 8 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959107 316 050NC Seal-CDP 2116M68P01 GFF5E28T 968 959107 317 056A1 Blisk-Stage 1 2448M41P01 GWN0PGCG 0 959107 318 056A2 Blisk-Stage 2 2311M52G02 GWN0GWH3 968 959107 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKMHA 968 959107 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0J1PA 968 959107 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0HP8L 968 959107 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF051 450 959107 581 810A0 Shaft-Mid Fan 2332M33G01 JHVFA018 450 959107 53B 150A3 Seal-Forward 2417M60P01 VOLF1550 0 959107 53K 150B4 Seal-HPT 2116M63P02 TMT2KD07 968 959107 53M 150B3 Seal-Interstage 2352M63P02 SPK972MF 0 959107 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAB71 450 959107 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAB57 450 959107 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA34 450 959107 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA20 450 959107 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA20 450 959107 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA49 450 959110 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0568 1940 959110 222 830AH Booster Spool 10030732 VOLF0249 1940 959110 243 81002 Shaft-Fan 2335M98P01 NCE676EU 1940 959110 312 050AM Tube Support 2357M39P01 NCE859DE 1940 959110 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0G9G7 1940 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 9 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959110 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0H5G2 1940 959110 315 050B5 Shaft-Forward 2357M38P01 NCE340DE 1940 959110 316 050NC Seal-CDP 2116M68P01 GFF5EHF6 1940 959110 317 056A1 Blisk-Stage 1 2357M31G03 GWN0HNH2 1940 959110 318 056A2 Blisk-Stage 2 2311M52G02 GWN0G2JM 1940 959110 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKNK2 1940 959110 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0K160 1940 959110 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0GTCE 1940 959110 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF009 1940 959110 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY509 1940 959110 53B 150A3 Seal-Forward 2417M60P01 VOLF0265 1940 959110 53K 150B4 Seal-HPT 2116M63P02 TMT2KD11 1940 959110 53M 150B3 Seal-Interstage 2352M63P02 GWN0HHTL 1940 959110 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAA77 1940 959110 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAA57 1940 959110 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA19 1940 959110 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA12 1940 959110 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA12 1940 959110 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA16 1940 959111 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0564 812 959111 222 830AH Booster Spool 10030732 VOLF0203 812 959111 243 81002 Shaft-Fan 2335M98P01 NCE675EU 812 959111 312 050AM Tube Support 2357M39P01 NCE748DK 812 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 10 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959111 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0GAG5 812 959111 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0HAG6 812 959111 315 050B5 Shaft-Forward 2357M38P01 NCE228CN 812 959111 316 050NC Seal-CDP 2116M68P01 GFF5EHF8 812 959111 317 056A1 Blisk-Stage 1 2357M31G03 GWN0HH9L 812 959111 318 056A2 Blisk-Stage 2 2311M52G02 GWN0JH47 812 959111 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKN0G 812 959111 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0GAD7 812 959111 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0GTCC 812 959111 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF021 812 959111 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY518 812 959111 53B 150A3 Seal-Forward 2417M60P01 VOLF0275 812 959111 53K 150B4 Seal-HPT 2116M63P02 TMT2KD31 812 959111 53M 150B3 Seal-Interstage 2352M63P02 SPK95DJ9 812 959111 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAB48 812 959111 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAB35 812 959111 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA26 812 959111 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA30 812 959111 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA27 812 959111 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA10 812 959113 221 830A0 Disk-Fan Rotor 2335M99G02 FBNF0574 812 959113 222 830AH Booster Spool 10030732 VOLF0215 812 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 11 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.
TIME LIMITS - Life Limits of Engine Parts (05-11-00) - Rotating Chapter 5 LLP Engine Data Sheet Update ESN IIN SIN Nomenclature Part Number Part Serial Number Cycle Increase 959113 243 81002 Shaft-Fan 2335M98P01 NCE551EJ 812 959113 312 050AM Tube Support 2357M39P01 NCE857DE 812 959113 313 050AR Spool- Stages 6-10 Compressor Rotor 2357M30G02 GWN0FNW0 812 959113 314 050B4 Spool-Stage 3 and 4 Compressor Rotor 2357M34G01 GWN0J39W 812 959113 315 050B5 Shaft-Forward 2357M38P01 NCE988EF 812 959113 316 050NC Seal-CDP 2116M68P01 GFF5DTL3 812 959113 317 056A1 Blisk-Stage 1 2357M31G03 GWN0G6FD 812 959113 318 056A2 Blisk-Stage 2 2311M52G02 GWN0FP1K 812 959113 319 056A5 Blisk-Stage 5 2357M35P01 GLHTKH77 812 959113 531 150A1 Disk-HPT Stage 1 2352M61G03 GWN0JDL0 812 959113 532 150B1 Disk-HPT Stage 2 2300M84P02 GWN0G9JT 812 959113 565 930D1 Shaft-LPT Cone 2332M32G01 JHVAF018 812 959113 581 810A0 Shaft-Mid Fan 2332M33G01 JHVAY519 812 959113 53B 150A3 Seal-Forward 2417M60P01 VOLF0274 812 959113 53K 150B4 Seal-HPT 2116M63P02 TMT2KD26 812 959113 53M 150B3 Seal-Interstage 2352M63P02 GWN0H1GH 812 959113 56A 930B1 Disk-LPTR Stage 1 2332M21P01 JHVLAB52 812 959113 56B 930B2 Disk-LPTR Stage 2 2332M22P01 JHVMAB32 812 959113 56C 930B3 Disk-LPTR Stage 3 2332M23P01 JHVABA23 812 959113 56D 930B4 Disk-LPTR Stage 4 2332M24P01 JHVACA40 812 959113 56E 930B5 Disk-LPTR Stage 5 2332M25P01 JHVADA15 812 959113 56F 930B6 Disk-LPTR Stage 6 2332M26P01 JHVAEA11 812 March 07, 2013 GEnx-2B S/B 72-0116 Revision 01, April 23, 2013 PAGE 12 GE PROP RIETARY INFORMATION - Subject to the restrictions on the cover or first page.