# ALERT SER VICE BULLETIN

ENGINE

— DISK ASSEMBL Y , DRUM ROTOR, HIGH PRESSURE COMPRESSOR (HPC)

— EDDY CURRENT AND UL TRASONIC INSPECTION OF THE 10TH ST AGE DISK FOR CRACKS

M O D E L AP P L I CA T I O N PW4052, PW4052(-3), PW4056, PW4056(-3), PW4060, PW4060(-3), PW4062(-3), PW4062A(-3), PW4152, PW4152(-3), PW4156A, PW4156A(-3), PW4158, PW4158(-3), PW4460, PW4460(-3), PW4462, PW4462(-3)

B U L L ET I N I SS U E S EQ U E N C E PW4000 Series A72-833

A T A N U M B E R 72-35-00

U TC/P&W P RO P R I ET AR Y I N FO RMA T I O N This document is the property of United T echnologies Corporation

— Pratt & Whitney (UTC/P&W). Y ou may not possess, use, copy or disclose this document or any information in it, for any purpose, including without limitation to design, manufacture, or repair parts, or obtain F AA or other government approval to do so, without UTC/P&W’s express written permission. Neither receipt nor possession of this document alone, from any source, constitutes such permission. Possession, use, copying or disclosure by anyone without UTC/P&W’s express written permission is not authorized and may result in criminal and/or civil liability

. Not subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3). Co m p l i a n ce Catego ry 5, 6 P&W D istri b utio n Cod e 2616 August 20/15 

# PW4ENG A72-833 Page 1 of 29
Published in United States of AmericaS u m ma ry The purpose of this Alert Service Bulletin is to provide instructions to do a repetitive inspection of the 10th stage disk web of the High Pressure Compressor (HPC) front drum rotor disk assembly for cracks. A list of suspect 10th stage disk part numbers is included in Appendix A, T ables 1 and 2. A Non-Destructive Inspection Procedure (NDIP) for either an Eddy Current Inspection (ECI) (Part A) or Ultrasonic Inspection (UTI) (Part B) must be accomplished at engine disassembly

. P l a n n i n g I nf o rmati o n Ef fectivity Data E ng i n e M od e ls Ap p l i ca b l e PW4052, PW4052 (-3), PW4056, PW4056 (-3), PW4060, PW4060 (-3), PW4062 (-3), PW4062A (-3) Engine Serial No.

— All engines with the suspect 10th stage disk serial numbers as specified in Appendix A, T ables 1 and 2. PW4152, PW4152 (-3), PW4156A, PW4156A (-3), PW4158, PW4158(-3) Engine Serial No.

— All engines with the suspect 10th stage disk serial numbers as specified in Appendix A, T ables 1 and 2. PW4460, PW4460 (-3), PW4462, PW4462 (-3) Engine Serial No.

— All engines with the suspect 10th stage disk serial numbers as specified in Appendix A, T ables 1 and 2. This Service Bulletin also applies to engines converted to Phase III (-3) configuration by Service Bulletin No. PW4ENG 72-490, No. PW4ENG 72-504, or No. PW4ENG 72-572. This Service Bulletin (SB) also applies to engines identified with a suf fix as follows: (-3A) configuration introduced by SB No. PW4ENG 72-588. (-3A) configuration introduced by SB No. PW4ENG 73-150. (-3B) configuration introduced by SB No. PW4ENG 72-512. (-1C) configuration introduced by SB No. PW4ENG 72-499 or No. PW4ENG 72-520. (-1E) configuration introduced by SB No. PW4ENG 72-521. (-1C/-1E) configuration introduced by SB No. PW4ENG 72-516. Co n cu rre nt Req u i re me nts There are no concurrent requirements. Reaso n 1. Problem: During HPC overhaul of a PW4056, a crack measuring approximately 20 inches (508 mm) in length was found in the 10th stage disk web of the front drum rotor disk assembly

. The 10th stage disk crack was due to Low Cycle Fatigue (LCF) that initiated from surface scratches. The same configuration is used in PW4170 engines and engines that incorporate Reference 5, Service Bulletin No. PW4G-100-72-220. 2. Cause: The root cause of the LCF crack was a manual polishing procedure that was, at one time, performed at the manufacturing stage and caused surface scratches on the part. The suspect population for the PW4000-94 series engine models is as follows: August 20/15 

# PW4ENG A72-833 Page 2 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).A. All 10th stage disks produced from 1985 through January 1999. B. Disks from January 1999 through 2002 that had manual polish accomplished during manufacture. 3. Solution: Do a repetitive non-destructive inspection of the suspect 10th stage disk as specified in Appendix A, T ables 1 and 2 for cracks. A. Part A

— ECI as specified in Reference 20, NDIP-1 155 at every HPC overhaul. B. Part B

— UTI as specified in Reference 19, NDIP-1 154 at every High Pressure Turbine (HPT) or Low Pressure Turbine (LPT) removal. (1) Remove any 10th stage disk from service that does not meet the acceptance criteria as specified in the inspection procedures above. Descri pti o n Do an inspection of the suspect 10th stage disk of the HPC front drum rotor disk assembly for cracks. Co m p l i a n ce Part A: Category 6 Do when the subassembly (e.g. modules, accessories, components, build groups) is disassembled suf ficiently to give access to the changed part and to all changed spare parts. Part B: Category 5 Do when the engine is disassembled suf ficiently to give access to the changed subassembly (i.e., module, accessories, components, build groups) and to all changed spare subassemblies. Ap p rova l Data The times between inspections specified in Compliance and the inspection procedures specified in the Accomplishment Instructions agree with the applicable Federal A viation Regulations and are F AA-Approved for the engine model(s) given. The aircraft T ype Certificate holders have been informed of this inspection. M a n powe r The estimate of man-hours of labor directly necessary to do the intent of this Service Bulletin are as follows:
1. Necessary to do the ECI (Part A).

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.0 2. Necessary to do the UTI (Part B).

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.0 We ig ht Data No Change. E l ectri ca l Load Data Not Applicable.

August 20/15 

# PW4ENG A72-833 Page 3 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).Sof twa re Acco m p l is h me nt S u m ma ry Not Applicable. Refe re n ces 1. Turbojet Engine Standard Practices Manual, Part No. 585005. 2. PW4052, PW4052(-3), PW4056, PW4056(-3), PW4060, PW4060(-3), PW4060C, PW4062(-3), PW4062A(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A607. 3. PW4152, PW4152(-3), PW4156A, PW4156A(-3), PW4158, PW4158(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A445. 4. PW4460, PW4460(-3), PW4462, PW4462(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A824. 5. PW4052, PW4052(-3), PW4056, PW4056(-3), PW4060, PW4060(-3), PW4060C, PW4060C(-3), PW4062, PW4062A(-3) Turbofan Engines, Engine Manual, Part No. 50A605. 6. PW4152, PW4152(-3), PW4156A, PW4156A(-3), PW4158, PW4158(-3) Turbofan Engines, Engine Manual, Part No. 50A443. 7. PW4460, PW4460(-3), PW4462, PW4462(-3) Turbofan Engines, Engine Manual, Part No. 50A822. 8. PW4000 Series 94 Inch And 100 Inch Turbofan Engines, Engine Cleaning, Inspection And Repair (CIR) Manual, Part No. 51A357. 9. Service Bulletin No. PW4ENG 72-490; Engine

— Conversion Of A PW4460 Or PW4462 T o A PW4460(-3) Or PW4462(-3). Issue Sequence 72-490, PW4000 Series. 10. Service Bulletin No. PW4ENG 72-499; Engine

— Blade Set, First Stage LPC

— Allow Installation Of The FB2C First Stage LPC Blade Sets In Non-Phase 3 Engines T o Create The (-1C) Engine Configuration. Issue Sequence 72-499, PW4000 Series. 1 1. Service Bulletin No. PW4ENG 72-504; Engine

— Conversion OF A PW4052, PW4056, PW4060, T o A PW4052(-3), PW4056(-3), Or PW4060(-3). Issue Sequence 72-504, PW4000 Series. 12. Service Bulletin No. PW4ENG 72-512; Engine

— Blade Set, First Stage LPC

— Allow Installation Of The FB2B First Stage LPC Blade Sets In Phase 3 Engines T o Create The (-3B) Engine Configuration. Issue Sequence 72-512, PW4000 Series. 13. Service Bulletin No. PW4ENG 72-516; Engine

— Blade Set, First Stage LPC

— Allow Installation Of The FB2C First Stage LPC Blade Sets In Pre-Phase 3 Engines T o Create The (-1C/-1E) Engine Configuration. Issue Sequence 72-516, PW4000 Series. 14. Service Bulletin No. PW4ENG 72-520; Engine

— Blade Set, First Stage LPC

— Allow The FB2C First Stage LPC Blade Sets In Non-Phase 3 Engines T o Create The (-1C) Engine Configuration (Installation Of Phase 3 Blades In Pre-Phase 3 Engine/Nacelle). Issue Sequence 72-520, PW4000 Series. 15. Service Bulletin No. PW4ENG 72-521; Engine

— Blade Set, First Stage LPC

— Allow The FB2C First Stage LPC Blade Sets In Non-Phase 3 Engines T o Create The (-1E) Engine Configuration (Installation Of Phase 3 Blades In Pre-Phase 3 Engine/ Phase 3 Nacelle). Issue Sequence 72-521, PW4000 Series.

August 20/15 

# PW4ENG A72-833 Page 4 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).16. Service Bulletin No. PW4ENG 72-572; Engine

— Conversion Of A PW4152, PW4156A, PW4158 Engine T o A PW4152(-3), PW4156A(-3), Or PW4158(-3) Engine. Issue Sequence 72-572, PW4000 Series. 17. Service Bulletin No. PW4ENG 72-588; Engine

— Reidentification Of Engine Model Phase (-3) T o (-3A) For Installation In A Pre-Phase (-3) Nacelle. Issue Sequence 72-588, PW4000 Series. 18. Service Bulletin No. PW4ENG 73-150; Engine Fuel And Control

— Plug, EEC Programming

— Installation Of T o Create The (-3A) Engine Configuration. Issue Sequence 73-150, PW4000 Series. 19. NDIP-1 154, PW4000 High Pressure Compressor (HPC) Drum Rotor 10th Stage Disk Web Ultrasonic Inspection (Module/Full HPC Drum Level). 20. NDIP-1 155, PW4000 High Pressure Turbine FWD Drum, 10th Stage Semi-Automated Eddy Current Inspection (Disassembled Component). N OTE : References 9 thru 18 are shown to help find non-production configurations that may incorporate this bulletin. P u b l i catio ns C h a n g ed 1. PW4052, PW4052(-3), PW4056, PW4056(-3), PW4060, PW4060(-3), PW4060C, PW4062(-3), PW4062A(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A607, Chapter/Section 72-35-00. 2. PW4152, PW4152(-3), PW4156A, PW4156A(-3), PW4158, PW4158(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A445., Chapter/Section 72-35-00. 3. PW4460, PW4460(-3), PW4462, PW4462(-3) Turbofan Engines, Illustrated Parts Catalog, Part No. 50A824, Chapter/Section 72-35-00. I nte rch a ng ea b i l ity Not Applicable. I nf o rmati o n i n th e Ap pe n d ix Alternate Accomplishment Instructions (No) Progression Charts (No) Added Data (Y es) Revision to T able of Limits (No) Inspection Procedures (No)

August 20/15 

# PW4ENG A72-833 Page 5 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).M ate ri a l I nf o rmati o n M ate ri a l

— Cost a n d A va i l a b i l ity 1. There is no kit provided to do this Service Bulletin. 2. Part availability information is provided in material data Instructions

— Disposition. I n d u stry S u p po rt P rog ra m Not Applicable. Th e mate ri a l d ata th at f ol l ows is f o r each e ng i n e

. N OTE : It is possible to use the Chapter/Section and Figure/Item reference number shown below the old part number to find the part in the Illustrated Parts Catalog. Because there are many dif ferent configurations used, it is frequently necessary to show more than one group of parts. When this occurs, parts that are interchangeable are shown line-by-line only, unless this is shown dif ferently

. CAU T I O N : THE FOLLOWING MA TERIAL DA T A T ABLE(S) ARE ORGANIZED BY ILLUSTRA TED P ARTS CA T ALOG. ALL P ARTS IN THE T ABLE(S) MA Y OR MA Y NOT BE APPLICABLE TO ALL THE ENGINE MODELS SHOWN IN THE T ABLE HEADING. YOU MUST REFER TO THE APPROPRIA TE ILLUSTRA TED P ARTS CA T ALOG FOR ENGINE MODEL APPLICABILITY USING THE OLD P ART NUMBER (PN) AND CA T ALOG SEQUENCE NUMBER. F AILURE TO INST ALL THE P ART(S) IN THE CORRECT ENGINE MODEL MA Y RESUL T IN A CONFIGURA TION THA T IS NOT F AA APPROVED. Th e mate ri a l d ata th at f ol l ows is f o r each e ng i n e

. Fo r PW4052 , PW4052 (

-3 ) , PW4056 , PW4056 (

-3 ) , PW4060 , PW4060 (

-3 ) , PW4062 (

-3 ) , PW4062A(

-3 ) E n g i n es : New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 DISK

— ASSY OF, DRUM ROTOR 51H426-01 (72-35-00-1-150 A) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H559-01 (72-35-00-1-150AA) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H559-101 (72-35-00-1-150AG) (4)(X)

August 20/15 

# PW4ENG A72-833 Page 6 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-01 (72-35-00-1-150 B) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-101 (72-35-00-1-150AF) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-01 (72-35-00-1-150 C) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-101 (72-35-00-1-150AE) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-01 (72-35-00-1-150 D) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-101 (72-35-00-1-150AD) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

August 20/15 

# PW4ENG A72-833 Page 7 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-01 (72-35-00-1-150 E) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-101 (72-35-00-1-150AC) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-01 (72-35-00-1-150 F) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-101 (72-35-00-1-150AB) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 50S106-01 (72-35-00-1-150 G) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

Th e mate ri a l d ata th at f ol l ows is f o r each e ng i n e

. Fo r PW4 1 52 , PW4 1 52 (

-3 ) , PW4 1 56A, PW4 1 56A(

-3 ) , PW4 1 58 , PW4 1 58 (

-3 ) E ng i n es : New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 DISK

— ASSY OF, DRUM ROTOR 51H426-01 (72-35-00-1-150 A) (4)(X)

August 20/15 

# PW4ENG A72-833 Page 8 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H559-01 (72-35-00-1-150AA) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H559-101 (72-35-00-1-150AG) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-01 (72-35-00-1-150 B) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-101 (72-35-00-1-150AF) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-01 (72-35-00-1-150 C) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-101 (72-35-00-1-150AE) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

August 20/15 

# PW4ENG A72-833 Page 9 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-01 (72-35-00-1-150 D) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-101 (72-35-00-1-150AD) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-01 (72-35-00-1-150 E) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-101 (72-35-00-1-150AC) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-01 (72-35-00-1-150 F) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-101 (72-35-00-1-150AB) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR

August 20/15 

# PW4ENG A72-833 Page 10 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 DISK

— ASSY OF, DRUM ROTOR 50S106-01 (72-35-00-1-150 G) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

Th e mate ri a l d ata th at f o l l ows is f o r each e n g i n e

. Fo r PW4460 , PW4460 (

-3 ) , PW4462 , PW4462 (

-3 ) E n g i n es : New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 DISK

— ASSY OF, DRUM ROTOR 51H426-01 (72-35-00-1-150) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-01 (72-35-00-1-150 A) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 52H926-101 (72-35-00-1-150AE) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-01 (72-35-00-1-150 B) (4)(X)

1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 53H676-101 (72-35-00-1-150AD) (4)(X)

August 20/15 

# PW4ENG A72-833 Page 1 1 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition 1 .DISK

— 10TH ST AGE 51H710 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-01 (72-35-00-1-150 C) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H626-101 (72-35-00-1-150AC) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-01 (72-35-00-1-150 D) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 54H816-101 (72-35-00-1-150AB) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-01 (72-35-00-1-150 E) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

OR 1 DISK

— ASSY OF, DRUM ROTOR 55H106-101 (72-35-00-1-150AA) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

August 20/15 

# PW4ENG A72-833 Page 12 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).New PN Qty Estimate of Unit Price ($) Keyword Old PN Instructions

— Disposition OR 1 DISK

— ASSY OF, DRUM ROTOR 50S106-01 (72-35-00-1-150 F) (4)(X)

1 .DISK

— 10TH ST AGE 53H976-06 (4)(X)

M od ifi catio n a n d S pa res I nf o rmatio n Estimated part prices are provided when they are available at time of publication. The Estimate of Unit Price is only for planning purposes and does not constitute a firm quotation. An asterisk (*) is shown where part pricing information was unavailable. In either case, contact Pratt & Whitney Spares Management & Logistics for firm quotations. Parts Modification Conditions (4) Do an inspection as specified in the Accomplishment Instructions. Spare Parts A vailability (X) See Reference 2, 3, or 4, Illustrated Parts Catalog for applicable replacement parts. V endor Services or Special Components/Materials Not Applicable. M ate ri a l Data f o r Each S pa re E n g i n e The material for each spare engine is as stated in the preceding material information section. Re i d e ntifi ed Pa rts Not Applicable.

August 20/15 

# PW4ENG A72-833 Page 13 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).N ecessa ry T ools There are tool kit numbers PW A 86684 (Ultrasonic) and PW A 86686 (Eddy Current) to do this Alert Service Bulletin. Contact your Pratt & Whitney T ool Support Services sales manager directly or by e-mail to pwtools@pw.utc.com for assistance with new PW A tool kits and calibrations. N ew S u p po rt Eq u i p me nt th at is n ecessa ry Kit Number Nomenclature Units Per Engine PW A 86684 Ultrasonic Inspection Kit 1 PW A 86686 Eddy Current Inspection Kit 1
N OTE : * Detail tool listing for UTI is found in Reference 19, NDIP1 154.
N OTE : * Detail tool listing for ECI is found in Reference 20, NDIP1 155. N OTE : All queries regarding necessary support equipment and borescope equipment equivalency can be directed to Pratt & Whitney Non Destructive Evaluation (NDE) through the MS Dynamics system or Pratt & Whitney Global Operations Center (24 hour help desk). Oth e r M ate ri a l I nf o rmatio n Data Not Applicable.

August 20/15 

# PW4ENG A72-833 Page 14 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).Acco m p l is h me nt I nstru ctio ns Pa rt A: E D DY C U RRE N T I N S P E CT I O N ( E C I ) 1. Do the ECI procedure as specified in Reference 20, NDIP-1 155 on the suspect 10th Stage Disk, PN 51H710 or PN 53H976-06 as specified in Appendix A, T ables 1 and 2 and inspect for cracks. See Figure 1, Sheets 1 and 2. N OTE : T o obtain a copy of the ECI procedure as specified in the Reference 20, NDIP-1 155 please contact Pratt & Whitney Non Destructive Evaluation (NDE) through the MS Dynamics system or Pratt & Whitney Global Operations Center (24 hour help desk). 2. Acceptance/Rejection criteria has been provided in the ECI procedure as specified in the Reference 20, NDIP-1 155. 3. Rejected 10th Stage Disk, PN 51H710 or PN 53H976-06 must be removed from service and may be replaced as specified in Reference 8, CIR Manual, Chapter/Section 72-35-07, Repair-04.
Pa rt B : U L TRASO N I C I N S P E CT I O N ( U T I ) 1. During HPT or LPT removal, do the procedure that follows: A. Remove the LPT as specified in Reference 5, 6 or 7, Engine Manual, Chapter/Section 72-00-53, Removal-01. N OTE : UTI can be accomplished with removal of LPT only

. N OTE : HPT nut lock needs to be removed if accomplishing the inspection without HPT removal. B. Remove the external plumbing before HPT removal as specified in Reference 5, 6 or 7, Engine Manual, Chapter/Section 72-00-52, Removal-02. C. Remove the HPT as specified in Reference 5, 6 or 7, Engine Manual, Chapter/Section 72-00-52, Removal-01. D. Do the UTI procedure as specified in Reference 19, NDIP-1 154 on the suspect 10th Stage Disk, PN 51H710 or PN 53H976-06 as specified in Appendix A, T ables 1 and 2 and inspect for cracks. See Figure 1, Sheets 1 and 2. N OTE : T o obtain a copy of the UTI procedure as specified in Reference 19, NDIP-1 154 please contact Pratt & Whitney Non Destructive Evaluation (NDE) through the MS Dynamics system or Pratt & Whitney Global Operations Center (24 hour help desk). E. Acceptance/Rejection criteria has been provided in the UTI procedure as specified in Reference 19, NDIP-1 154. F

. Rejected 10th Stage Disk, PN 51H710 or PN 53H976-06 must be removed from service and may be replaced as specified in Reference 8, CIR Manual, Chapter/Section 72-35-07, Repair-04. N OTE : Operators may choose to inspect the 10th Stage Disk, PN 51H710 or PN 53H976-06 per ECI procedure as specified in Reference 20, NDIP-1 155 following a part rejection via UTI procedure as specified in Reference 19, NDIP-1 154 to confirm part rejection.

August 20/15 

# PW4ENG A72-833 Page 15 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).LOCA TION OF THE DRUM ROTOR DISK ASSEMBL Y 72-35-00 FIGURE 1, SHEET 1

August 20/15 

# PW4ENG A72-833 Page 16 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).INSPECTION OF THE 10TH ST AGE DISK FIGURE 1, SHEET 2

August 20/15 

# PW4ENG A72-833 Page 17 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).Ap pe n d ix Ad d ed Data I nte rn a l Refe re n ce I nf o rmatio n
Revision No. Reference Document Origination Original EA14KC489A KG/IEL Number values shown in parentheses adjacent to U.S. values are International System of units (SI) equivalents. Ap pe n d ix A T a b l e 1

— Se ri a l N u m be rs f o r 1 0th Stag e D is k, P N 5 1 H 7 1 0 SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER T42515 CENCAH0434 CENCAH0468 CENCAH5530 CENCAJ1927 CENCAJ6796 T67792 CENCAH0427 CENCAH0461 CENCAH5536 CENCAJ1931 CENCAJ6797 T66593 CENCAH0432 CENCAH0458 CENCAH5533 CENCAJ1910 CENCAJ6799 T66592 C210AA0094 CENCAH0473 CENCAH5538 CENCAJ1920 CENCAK1732 T67788 CENCAH0431 CENCAH0470 CENCAH5534 CENCAJ1922 CENCAJ6801 T67781 C210AA0097 CENCAH0467 CENCAH5542 CENCAJ1932 CENCAJ6808 R55154 CENCAH0425 CENCAH0466 CENCAH5541 CENCAJ1921 CENCAJ6802 CENCAU9852 CENCAH0448 CENCAH0474 CENCAH5547 CENCAJ1930 CENCAJ6805 CENCBC7512 CENCAH0438 CENCAH0471 CENCAH5543 CENCAJ1923 CENCAJ6809 CENCAS2038 CENCAH0439 CENCAH0472 CENCAH5548 CENCAJ1926 CENCAJ6806 N48859 CENCAH0441 CENCAH5514 CENCAH5549 CENCAJ1933 CENCAJ6804 N31797 CENCAH0440 CENCAH5509 CENCAH5544 CENCAJ1946 CENCAJ6803 N48855 CENCAH0445 CENCAH5508 CENCAH5553 CENCAJ1934 CENCAJ6807 N31800 CENCAH0435 CENCAH5510 CENCAH5537 CENCAJ1937 CENCAJ6798 C210AA0091 CENCAH0447 CENCAH0469 CENCAH5551 CENCAJ1936 CENCAK1689 C210AA0066 CENCAH0436 CENCAH5518 CENCAH5535 CENCAJ1939 CENCAJ6810 C210AA0083 CENCAH0446 CENCAH5516 CENCAH5546 CENCAJ1935 CENCAJ6813 C210AA0073 CENCAH0450 CENCAH5520 CENCAH5555 CENCAJ1944 CENCAK1695 C210AA0081 CENCAH0433 CENCAH5512 CENCAH5556 CENCAJ1941 CENCAK1696 C210AA0086 CENCAH0430 CENCAH5517 CENCAH5550 CENCAJ1943 CENCAK1692 C210AA0088 CENCAH0443 CENCAH5522 CENCAH5557 CENCAJ1945 CENCAJ681 1

August 20/15 

# PW4ENG A72-833 Page 18 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER C210AA0087 CENCAH0449 CENCAH551 1 CENCAH5552 CENCAJ1947 CENCAK1690 C210AA0095 CENCAH0442 CENCAH5526 CENCAH5554 CENCAJ1949 CENCAK1691 C210AA0089 CENCAH0437 CENCAH5519 CENCAJ1914 CENCAJ1928 CENCAK1687 C210AA0082 CENCAH0452 CENCAH5521 CENCAJ1913 CENCAJ1954 CENCAJ6812 C210AA0084 CENCAH0463 CENCAH5525 CENCAJ1916 CENCAJ1953 CENCAK1688 C210AA0096 CENCAH0455 CENCAH5524 CENCAJ1912 CENCAJ1950 CENCAK1697 C210AA0085 CENCAH0456 CENCAH5515 CENCAJ1907 CENCAJ1948 CENCAK1701 C210AA0098 CENCAH0444 CENCAH5523 CENCAJ1915 CENCAJ1938 CENCAK1694 C210AA0100 CENCAH0453 CENCAH5513 CENCAJ1919 CENCAJ1955 CENCAK1700 C210AA0080 CENCAH0451 CENCAH5532 CENCAJ1917 CENCAJ6795 CENCAK1699 C210AA0099 CENCAH0460 CENCAH5528 CENCAJ1908 CENCAJ6794 CENCAK1706 C210AA0090 CENCAH0459 CENCAH5531 CENCAJ1918 CENCAJ1952 CENCAK1705 C210AA0092 CENCAH0464 CENCAH5527 CENCAJ1909 CENCAJ1951 CENCAK1703 CENCAH0428 CENCAH0457 CENCAH5529 CENCAJ1929 CENCAJ1942 CENCAK1707 CENCAH0429 CENCAH0462 CENCAH5540 CENCAJ1924 CENCAJ1956 CENCAK1708 CENCAH0426 CENCAH0454 CENCAH5545 CENCAJ191 1 CENCAJ1940 CENCAK1715 CENCAK1716 CENCAL0365 T83104 T83145 C210AA0030 C210AA0068 CENCAK1714 CENCAL0364 T83106 T83155 C210AA0031 C210AA0063 CENCAK1718 CENCAL0373 T831 13 T83134 C210AA0037 C210AA0071 CENCAK1719 CENCAL0372 T83124 T83152 C210AA0036 C210AA0076 CENCAK171 1 CENCAL0375 T83121 T83150 C210AA0033 C210AA0078 CENCAK1717 CENCAL0378 T83125 T83153 C210AA0039 C210AA0070 CENCAK1731 CENCAL0381 T831 14 T83160 C210AA0038 C210AA0077 CENCAK1712 CENCAL0371 T831 15 C210AA0001 C210AA0032 C210AA0072 CENCAK1710 CENCAL0374 T83129 T83161 C210AA0013 C210AA0075 CENCAK1730 CENCAL0380 T831 17 C210AA0009 C210AA0028 C210AA0079 CENCAK1713 CENCAL0379 T831 19 T83159 C210AA0023 C210AA0069 CENCAK1709 CENCAL0377 T83122 C210AA0015 C210AA0029 C210AA0065 CENCAL0349 CENCAL0382 T831 16 C210AA0016 C210AA0046 T67794 CENCAK1734 CENCAL0385 T83126 C210AA0004 C210AA0047 T67786 CENCAK1733 CENCAL0383 T83120 T83157 C210AA0040 T67774 CENCAK1729 CENCAL0384 T83138 T83158 C210AA0043 T67773
August 20/15 

# PW4ENG A72-833 Page 19 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCAK1735 CENCAL0390 T83128 T83137 C210AA0045 T67796 CENCAL0354 CENCAP9815 T83143 C210AA0005 C210AA0052 T67793 CENCAL0350 CENCAL0388 T83141 C210AA0003 C210AA0048 T67795 CENCAK1736 CENCAL0391 T83133 C210AA0007 C210AA0044 T67797 CENCAL0352 CENCAS2034 C210AA0002 T83136 C210AA0057 T67779 CENCAL0351 CENCAS2032 T83130 C210AA0006 C210AA0042 T67808 CENCAL0356 CENCAS2033 T831 18 C210AA0012 C210AA0053 T67739 CENCAL0353 CENCAS2031 T83131 C210AA0018 C210AA0054 T67772 CENCAL0359 CENCAS2036 T83100 C210AA0008 C210AA0055 T67798 CENCAL0358 CENCAS2037 T83127 C210AA0010 C210AA0041 T67805 CENCAL0355 CENCAS2035 T83149 C210AA001 1 C210AA0049 T67809 CENCAL0357 CENCAS2039 T83135 C210AA0024 C210AA0051 T67780 CENCAL0360 CENCA W0889 T83132 C210AA0014 C210AA0050 T67802 CENCAL0368 CENCA W0890 T83148 C210AA0020 C210AA0058 T67803 CENCAL0367 CENCA W0891 T83142 C210AA0017 C210AA0056 T67783 CENCAL0361 CENCA W0894 T83144 C210AA0021 C210AA0059 T67818 CENCAL0363 CENCA W0893 T83140 C210AA0019 C210AA0061 T6781 1 CENCAL0362 CENCA W0896 T83147 C210AA0025 C210AA0060 T67800 CENCAL0366 CENCA W0895 T83154 C210AA0022 C210AA0074 T67815 CENCAL0370 CENCA W0897 T83146 C210AA0027 C210AA0062 T67799 CENCAL0369 CENCBC7495 T83139 C210AA0026 C210AA0067 T67817 T67807 P03259 P03262 P55839 R17048 R38473 T67812 P03260 P03246 P55837 R17032 R44572 T67814 P03263 P55804 P55841 R17038 R38467 T67816 N31802 N48863 P55808 R17019 R38460 T67821 P03261 P55803 P55842 R17054 R38474 T67801 P03258 P55800 P55838 R17021 T83156 T67819 N31790 P03294 P55840 R17042 R44575 T67826 P03282 P03270 P55845 R17037 R38476 T67825 P03273 P03271 M53708 R55127 R38477 T67813 P03284 P03281 P55821 R17023 R44573 T67823 N31793 P03288 M53704 R17035 R44568
August 20/15 

# PW4ENG A72-833 Page 20 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER T67822 P03257 P55824 P55849 R17052 R38459 T67824 N48865 P55816 R17014 R17039 R44576 T67820 P03248 P03293 P55818 R17051 R44569 T67810 P03256 P03279 P55835 R17050 R38465 T83099 P03269 P03252 P55836 R17036 R44571 T67830 P03274 P55832 P55844 R17041 R38469 T83101 P03292 P55807 M53705 R17044 R38468 T83102 N31792 P55828 M53706 R17047 R38472 T67834 P03253 P55814 M53707 R17049 R44582 T67836 N31789 P55815 P55831 R38457 R44594 T67828 P03265 P55830 R17015 R38461 R55123 T67837 P03264 P55820 R17029 R38454 R55125 T67833 P03283 P55829 R17012 R17034 R44591 T831 10 P03278 P55822 R17018 R17043 R44577 T67831 P03266 P55823 P55809 R38456 R44583 T67776 N48858 P55827 R17016 R17055 R55129 T67835 N48869 P55810 R1701 1 R38458 R44596 T67832 P03291 P03290 R17009 R38464 R44586 T831 12 P03286 P5581 1 R17028 R17057 R44587 T83105 P55833 P55817 P55846 R38463 R44578 T831 1 1 P03285 P55812 R17027 R38453 R55124 T83108 P55802 P55813 P55847 R17040 R38475 T83107 P03287 P55806 R17033 R38462 R55128 P03268 P03272 P03276 R17045 R38455 R44580 N31796 P03289 P55801 R17010 R17053 R44579 N31798 N48871 P55843 P55848 R17056 R44585 R55126 R79019 R79038 R79084 S08667 S24131 R44588 R55151 R79026 R79085 S08677 S24139 R44595 R55149 R79044 R79083 S08673 S08657 R44590 R79020 R79040 R79059 S08668 S24145 R44592 R79018 R79041 R79055 S08650 S08703 R44593 R55135 R79043 R79065 R79089 S08658

August 20/15 

# PW4ENG A72-833 Page 21 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER R55130 R17017 R79035 R79069 S08666 S24137 P55834 R79032 R79048 R79051 S08681 S08687 R44584 R55133 R79039 R79064 S08634 S24155 R38466 R55131 R55162 R79056 S08629 S24157 R44581 R79034 R79042 R79082 S08682 S24156 R44574 R79022 R79037 S08665 S08669 S08692 R44597 R55153 R79060 S08644 S08684 S24135 R44589 R79027 R79071 S08639 S08641 S24150 R79024 R79029 R79050 S08630 S08680 S24134 R55158 R79031 R79052 S08643 S08631 S24141 R55168 R79028 R79057 S08656 S08676 S24143 R55161 R79033 R79054 R79087 S08697 S24154 R55157 R55144 R79058 S08661 S08699 S24133 R79023 R55166 R79047 S08655 S08640 S24152 R55138 R55156 R79063 S08663 S08647 S24144 R55142 R79021 R79073 R79088 S08654 S24172 R55140 R55145 R79076 S08645 S08702 S24147 S24193 R55150 R79061 S08670 S08679 S24160 R55132 R55159 R79062 S08674 S08696 R79070 R55148 R55139 T83151 S08636 S08686 S08695 R55167 R55169 R79086 S08642 S08659 S08683 R55163 R55170 R79078 S08633 S08649 S24167 R55165 R55172 R79072 S08675 S08701 S08685 R55160 R55134 R79049 R79090 S08632 S08678 R55152 R55155 R79077 S08662 S08664 S08700 R55171 R55136 R79067 S08660 S24132 S08689 R55146 R55143 R79079 S08637 S08648 S24138 R55137 R79053 R79036 S08671 S24148 S24174 R79017 R79066 R79068 S08635 S24136 S24153 R55164 R79074 R79080 S08672 S08688 S24170 R55141 R79075 S08638 S08652 S08646 S24164 S24169 S24180 S47564 S47539 S91 199 S91228
August 20/15 

# PW4ENG A72-833 Page 22 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER S24165 S24194 S47571 S47565 S47586 S91215 S24162 S24179 S47556 S47551 S91 197 S91212 S24173 S24183 S47563 S47584 S91 195 S47587 S24151 S24192 S47557 S47583 S91 192 S91226 S24161 S24190 S47552 S47592 S91200 S91239 S08690 S47516 S47567 S47580 S47602 S91221 S24158 S24197 S47553 S47582 S91 191 S91 189 S24149 S24191 S47554 S47577 S91220 S91235 S24159 S24178 S47541 S47569 S91231 S91243 S24163 R79091 S47529 S47596 S91217 S91230 S24166 S24176 S47536 S47589 S91219 S91237 S08698 S24187 S47532 S47566 S91233 S91244 S24168 S47518 S47526 S47593 S91224 S91236 S24205 S24202 S47531 S47599 S91218 S91241 S08693 S24188 S47568 S47573 S47603 S91242 S24201 S4751 1 S47537 S47597 S91213 S91245 S47513 S24177 S47570 S47595 S91214 S91238 S47510 S47505 S47559 S47598 S91216 S91267 S24184 S24195 S47561 S47588 S91201 S91277 S24199 S47508 S47572 S47578 S91223 S91258 S47515 S47521 S47545 S47574 S91203 S91246 S24140 S24189 S47549 S47575 S91208 S91240 S24203 S24182 S08691 S47600 S9121 1 S91247 S24171 S47523 S47560 S47591 S91206 S91268 S24204 S24198 S47562 S47579 S91234 S91274 S47512 S24196 S47540 S47590 S91205 S91253 S47504 S47506 S08694 S47581 S91209 S91252 S47509 S47527 S47544 S47576 S91202 S91270 S47517 S24200 S47558 S47543 S91225 S91269 S47514 S47519 S47542 S91 194 S91207 S91251 S47520 S24186 S47538 S91 196 S91232 S91248 S47507 S47534 S47550 S91 193 R79081 S91262
August 20/15 

# PW4ENG A72-833 Page 23 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER S47525 S47522 S47555 S91 190 S91227 S91266 S24185 S47530 S47546 S47601 S91229 S91271 S24181 S47533 S47548 S91 198 S91210 S91263 S47524 S47528 S47547 S47585 S91222 S91275 S91282 T42427 T42445 T42470 T42498 T67715 S91273 T42434 T42457 T42496 T42536 T42538 S91259 T42429 T42472 T42492 T42522 T67714 S91283 S91292 T42471 T42451 T42531 T42541 S91254 S91302 T42448 T42486 T42535 T67730 S91256 T42421 S91313 T42458 T42520 T67724 S91278 S91306 T42473 T42488 T42526 T67732 S91279 T42422 T42476 T42489 T42525 T42539 S91272 S91308 T42443 T42441 T42518 T67729 S91284 S91301 T42484 T42494 T42524 T67728 S91276 T42420 T42454 T42503 T42527 T42543 S91261 S91307 T42479 T42512 T42537 T67727 S91280 S91291 T42439 T42490 T66591 T67734 S91257 S91304 T42449 T42517 T42533 T67745 S91249 T42426 T42478 T42499 T42519 T67731 S91264 S91303 T42477 T4251 1 T67841 T67755 S91255 S91260 T42459 T42497 T42523 T67746 T42425 S91296 T42463 T42495 T67838 T67747 S91289 S91300 T42453 T42485 T42528 T67749 S91281 T42433 T42483 T42487 T42510 T67765 S91250 T42438 T42455 T42513 T67713 T67760 S91293 S91309 T42464 T42500 T67840 T67758 S91265 T42436 T42442 T42514 T67718 T67761 S91285 S91310 T42447 T42516 T67717 T67751 S91298 S91290 T42475 T42521 T67839 T67756 S91299 S91312 T42462 T42507 T67719 T67769 S91286 S91295 T42466 T42501 T42544 T67748 T42430 S91294 T42481 T42504 T67844 T67754
August 20/15 

# PW4ENG A72-833 Page 24 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER T42424 T42452 T42456 T42509 T67716 T67753 T42432 T42437 T42465 T42502 T42540 T67743 T42435 T42446 T42468 T42508 T67720 T67737 T42431 T42469 T42444 T42529 T67726 T67752 T42428 T42440 T42460 T42493 T42542 T67733 S91305 S91288 T42450 T42534 T67721 T67768 S9131 1 T42467 T42480 T42506 T67725 T67766 S91297 S91287 T42491 T42505 T67723 T67744 T42423 T42461 T42474 T42530 T67722 T67757 T67767 T67762 T67763 T67771 T67775 T67790 T67764 T67759 T67742 T67791 T67784 T67778
T a b l e 2

— Se ri a l N u m be rs f o r 1 0th Stag e D is k, P N 53 H 976

-06 SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCBA4504 CENCAH4233 CENCAK9741 CENCAM3124 CENCAM3157 CENCAN9248 CENCBE5829 CENCAH4239 CENCAH4253 CENCAM3126 CENCAM3150 CENCAN9253 CENCA T7228 CENCAH4237 CENCAK9745 CENCAM3123 CENCAM3143 CENCAP3363 C210AA0127 CENCAH4236 CENCAM3109 CENCAM3125 CENCAM3146 CENCAP3364 C210AA0126 CENCAH4229 CENCAH4259 CENCAM3133 CENCAM3169 CENCAN9258 CENCAH4213 CENCAH4240 CENCAK9740 CENCAM3132 CENCAM3158 CENCAP3362 CENCAH4212 CENCAH4235 CENCAK9747 CENCAM3137 CENCAM3166 CENCAN9259 CENCAH421 1 CENCAH4238 CENCAK9748 CENCAM3135 CENCAM3173 CENCAP5120 CENCAH4216 CENCAH4244 CENCAM31 10 CENCAM3139 CENCAN9241 CENCAP5122 CENCAH4214 CENCAH4243 CENCAK9743 CENCAM3131 CENCAM3172 CENCAP5121 CENCAH4219 CENCAH4247 CENCAK9746 CENCAM3136 CENCAM3171 CENCAP5128 CENCAH4218 CENCAH4249 CENCAK9749 CENCAM3141 CENCAM3175 CENCAN9251 CENCAH4215 CENCAH4250 CENCAK9744 CENCAM3144 CENCAM3176 CENCAP5124 CENCAH4217 CENCAH4241 CENCAM31 12 CENCAM3138 CENCAN9242 CENCAN9257 CENCAH4221 CENCAH4245 CENCAM31 14 CENCAM3122 CENCAN9246 CENCAN9256 CENCAH4222 CENCAH4242 CENCAM31 16 CENCAM3142 CENCAM3177 CENCAP3365 CENCAH4220 CENCAH4246 CENCAM31 1 1 CENCAM3145 CENCAN9243 CENCAP5127 CENCAH4227 CENCAH4248 CENCAM31 15 CENCAM3148 CENCAN9245 CENCAP5126 August 20/15 

# PW4ENG A72-833 Page 25 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCAH4223 CENCAH4252 CENCAM31 13 CENCAM3149 CENCAN9247 CENCAP5123 CENCAH4228 CENCAH4251 CENCAM31 18 CENCAM3134 CENCAM3178 CENCAN9255 CENCAH4226 CENCAH4254 CENCAM3121 CENCAM3140 CENCAN9244 CENCAP5125 CENCAH4225 CENCAH4255 CENCAM31 19 CENCAM3147 CENCAN9252 CENCAP5130 CENCAH4224 CENCAH4257 CENCAM3120 CENCAM3168 CENCAN9249 CENCAP5129 CENCAH4231 CENCAH4258 CENCAM31 17 CENCAM3170 CENCAN9254 CENCAP5131 CENCAH4234 CENCAH4256 CENCAM3127 CENCAM3167 CENCAM3174 CENCAP5133 CENCAH4232 CENCAH4260 CENCAM3128 CENCAM3165 CENCAN9250 CENCAP5134 CENCAP5136 CENCAR4725 CENCAS3728 CENCA T0464 CENCA T7218 CENCA W0750 CENCAP5137 CENCAR4726 CENCAS3724 CENCA T0460 CENCA T7224 CENCA W0743 CENCAP5135 CENCAR6751 CENCAS3730 CENCA T0465 CENCA T7221 CENCA W0751 CENCAP5139 CENCAR6750 CENCAS3722 CENCA T0467 CENCA T7223 CENCAU5153 CENCAP5138 CENCAR6749 CENCAS3729 CENCAS6884 CENCA T0477 CENCA W0749 CENCAP9807 CENCAR6684 CENCAS3733 CENCA T0468 CENCA T7226 CENCA W0757 CENCAP9805 CENCAR6753 CENCAS3732 CENCAS6886 CENCA T7222 CENCAU5151 CENCAP9806 CENCAR6752 CENCAS3737 CENCA T0469 CENCA T7227 CENCA W0761 CENCAP9808 CENCAR6755 CENCAS3734 CENCA T0472 CENCA T7225 CENCAU5161 CENCAP9812 CENCAR6756 CENCAS3739 CENCA T0474 CENCA T7220 CENCA W0758 CENCAP981 1 CENCAR6754 CENCAS3740 CENCA T0466 CENCAU3760 CENCA W7228 CENCAP9819 CENCAR6758 CENCAS3726 CENCA T0471 CENCAU3761 CENCAU5160 CENCAP9813 CENCAR6761 CENCAS3725 CENCA T0470 CENCA T7229 CENCAU5152 CENCAP9820 CENCAR6759 CENCAS3738 CENCA T0473 CENCAU5158 CENCA W0760 CENCAP9818 CENCAR6763 CENCAS3735 CENCA T5301 CENCAU5149 CENCA W7229 CENCAP9816 CENCAR6760 CENCAS3736 CENCA T5300 CENCAU5150 CENCA W7227 CENCAP9822 CENCAR6762 CENCAS6871 CENCA T0476 CENCAU5148 CENCA W0762 CENCAP9817 CENCAR9933 CENCAS6869 CENCA T7210 CENCAU5157 CENCA W7231 CENCAR471 1 CENCAR9932 CENCAS6872 CENCA T5303 CENCAU5159 CENCA W7230 CENCAR4707 CENCAR6757 CENCAS6875 CENCA T721 1 CENCAU5162 CENCA W7232 CENCAP9824 CENCAR9934 CENCAS6873 CENCA T5306 CENCAU5167 CENCA W7240 CENCAP9821 CENCAR9931 CENCAS6876 CENCA T7212 CENCAU5165 CENCA W7234 CENCAP9823 CENCAR9939 CENCAS6868 CENCA T5305 CENCAU8318 CENCA W7235 CENCAR4712 CENCAR9935 CENCAS6870 CENCA T5309 CENCAU5163 CENCA W7238
August 20/15 

# PW4ENG A72-833 Page 26 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCAR4708 CENCAR9938 CENCAS6878 CENCA T5308 CENCAU5164 CENCA W7237 CENCAR4710 CENCAR9936 CENCAS3741 CENCA T7213 CENCAU8319 CENCA W7236 CENCAR4713 CENCAS2795 CENCAS6881 CENCA T5307 CENCA W0746 CENCA W7239 CENCAR4715 CENCAS2792 CENCAS6867 CENCA T7215 CENCA W0747 CENCA W7242 CENCAR4714 CENCAR9941 CENCAS6882 CENCA T7217 CENCA W0753 CENCA W7243 CENCAR4716 CENCAR9937 CENCAS6877 CENCA T5304 CENCA W0755 CENCA W7241 CENCAR4717 CENCAR9940 CENCAS6879 CENCA T5302 CENCAU5166 CENCA W7245 CENCAR4722 CENCAS2793 CENCAS6883 CENCA T0479 CENCA W0744 CENCA W7244 CENCAR4723 CENCAS2791 CENCAS6880 CENCA T0475 CENCA W0745 CENCAX4139 CENCAR4720 CENCAS2794 CENCAS6874 CENCA T7216 CENCA W0748 CENCAX4140 CENCAR4721 CENCAS3727 CENCA T0463 CENCA T7214 CENCA W0756 CENCAX4135 CENCAR4718 CENCAS3723 CENCA T0462 CENCA T7219 CENCA W0754 CENCAX4136 CENCAR6683 CENCAS3731 CENCAS6885 CENCA T0478 CENCA W0752 CENCAX4138 CENCAX4137 CENCAX4179 CENCA Y8152 CENCA14443 CENCA17820 CENCA33657 CENCAX4143 CENCAX4181 CENCA02748 CENCA10564 CENCA17823 CENCA33654 CENCAX4147 CENCAX4182 CENCA Y8158 CENCA10563 CENCA17821 CENCA35132 CENCAX4142 CENCAX4178 CENCA02747 CENCA14441 CENCA17826 CENCA33655 CENCAX4144 CENCAX4185 CENCA02749 CENCA14442 CENCA17827 CENCA33641 CENCAX4145 CENCAX4177 CENCA02745 CENCA14449 CENCA17825 CENCA35129 CENCAX4146 CENCAX4186 CENCA02743 CENCA14451 CENCA17808 CENCA35137 CENCAX4150 CENCAX4187 CENCA02744 CENCA14447 CENCA27578 CENCA35138 CENCAX4152 CENCAX4183 CENCA02746 CENCA14448 CENCA27576 CENCA35136 CENCAX4151 CENCAX4184 CENCA02752 CENCA14450 CENCA27577 CENCA35130 CENCAX4148 CENCAX4190 CENCA02751 CENCA14444 CENCA27579 CENCA35128 CENCAX4154 CENCAX4189 CENCA02750 CENCA14446 CENCA27580 CENCA35126 CENCAX4149 CENCAX4191 CENCA02754 CENCA14454 CENCA27581 CENCA35134 CENCAX4155 CENCAX4192 CENCA02753 CENCA14445 CENCA27588 CENCA35133 CENCAX4158 CENCAX4188 CENCA10547 CENCA14456 CENCA27587 CENCA35131 CENCAX4156 CENCAX4193 CENCA02757 CENCA14459 CENCA27583 CENCA35135 CENCAX4157 CENCA Y8142 CENCA02756 CENCA14457 CENCA27584 CENCA17828 CENCAX4153 CENCA Y8144 CENCA02755 CENCA17809 CENCA27585 CENCA17829 CENCAX4161 CENCA Y8141 CENCA02759 CENCA17806 CENCA27586 CENCA35127
August 20/15 

# PW4ENG A72-833 Page 27 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCAX4162 CENCAX4194 CENCA10548 CENCA14453 CENCA27582 CENCA35141 CENCAX4159 CENCA Y8143 CENCA10545 CENCA17824 CENCA33638 CENCA35142 CENCAX4166 CENCA Y8140 CENCA02760 CENCA14452 CENCA27590 CENCA35139 CENCAX4160 CENCA Y8149 CENCA10546 CENCA17810 CENCA27592 CENCA35144 CENCAX4167 CENCA Y8146 CENCA10550 CENCA14460 CENCA27594 CENCA35143 CENCAX4170 CENCA Y8145 CENCA10549 CENCA14458 CENCA27593 CENCA43496 CENCAX4172 CENCA Y8150 CENCA10553 CENCA14455 CENCA27595 CENCA35140 CENCAX4169 CENCA Y8147 CENCA10551 CENCA17817 CENCA27589 CENCA43495 CENCAX4176 CENCA Y8148 CENCA10554 CENCA17814 CENCA27591 CENCA43850 CENCAX4173 CENCA Y8155 CENCA10561 CENCA17807 CENCA33640 CENCA43853 CENCAX4175 CENCA Y8159 CENCA10560 CENCA17813 CENCA33643 CENCA43848 CENCAX4163 CENCA02742 CENCA10555 CENCA17815 CENCA33639 CENCA43855 CENCAX4164 CENCA Y8153 CENCA10562 CENCA17812 CENCA33642 CENCA43851 CENCAX4168 CENCA Y8151 CENCA10552 CENCA1781 1 CENCA35125 CENCA43849 CENCAX4171 CENCA Y8157 CENCA10558 CENCA17819 CENCA33656 CENCA43852 CENCAX4174 CENCA Y8156 CENCA10556 CENCA17816 CENCA33644 CENCA43859 CENCAX4165 CENCA Y8154 CENCA10559 CENCA17818 CENCA33653 CENCA43857 CENCAX4180 CENCA02741 CENCA10557 CENCA17822 CENCA33652 CENCA43862 CENCA43866 CENCA50644 CENCA58356 CENCA60136 CENCA67256 CENCA72713 CENCA43854 CENCA50647 CENCA58612 CENCA63647 CENCA69675 CENCA74565 CENCA43856 CENCA54906 CENCA58360 CENCA63643 CENCA69676 CENCA74566 CENCA43861 CENCA50654 CENCA58605 CENCA63645 CENCA67255 CENCA74562 CENCA43867 CENCA50653 CENCA58606 CENCA63646 CENCA69671 CENCA74561 CENCA43865 CENCA50657 CENCA5861 1 CENCA63640 CENCA69672 CENCA74564 CENCA43858 CENCA54904 CENCA58620 CENCA63641 CENCA69670 CENCA74575 CENCA43860 CENCA50655 CENCA58615 CENCA63644 CENCA69678 CENCA74570 CENCA45576 CENCA50649 CENCA58617 CENCA63642 CENCA69685 CENCA74574 CENCA45577 CENCA50650 CENCA58619 CENCA63638 CENCA69680 CENCA74569 CENCA45578 CENCA50648 CENCA58621 CENCA63639 CENCA69679 CENCA74567 CENCA45579 CENCA54908 CENCA58614 CENCA63648 CENCA69683 CENCA74568 CENCA43864 CENCA50656 CENCA58618 CENCA63650 CENCA69677 CENCA74573 CENCA45580 CENCA50652 CENCA601 19 CENCA63651 CENCA69686 CENCA74572
August 20/15 

# PW4ENG A72-833 Page 28 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not Subject to the EAR per 15 C.F.R. Chapter 1, Part 734.3(b)(3).SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER SERIAL NUMBER CENCA43863 CENCA54910 CENCA58616 CENCA63649 CENCA69681 CENCA74571 CENCA48261 CENCA54912 CENCA60120 CENCA63652 CENCA69687 CENCA78364 CENCA48259 CENCA54907 CENCA58623 CENCA63653 CENCA69682 CENCA78362 CENCA48265 CENCA54914 CENCA58624 CENCA67246 CENCA71301 CENCA74576 CENCA48264 CENCA54913 CENCA58622 CENCA67244 CENCA71297 CENCA78365 CENCA48260 CENCA5491 1 CENCA60121 CENCA67248 CENCA71300 CENCA78366 CENCA48263 CENCA54909 CENCA60122 CENCA67245 CENCA69684 CENCA78363 CENCA48262 CENCA54919 CENCA60125 CENCA67243 CENCA71298 CENCA78368 CENCA48269 CENCA54920 CENCA60123 CENCA67240 CENCA71296 CENCA78370 CENCA48267 CENCA54916 CENCA60124 CENCA67242 CENCA71299 CENCA78375 CENCA50639 CENCA54917 CENCA60126 CENCA67241 CENCA72706 CENCA78372 CENCA48271 CENCA54921 CENCA60128 CENCA67239 CENCA72709 CENCA78371 CENCA50640 CENCA54922 CENCA60130 CENCA67249 CENCA71302 CENCA78369 CENCA48266 CENCA54915 CENCA60127 CENCA67247 CENCA72704 CENCA78374 CENCA48270 CENCA54918 CENCA60129 CENCA67252 CENCA72710 CENCA78376 CENCA50638 CENCA58359 CENCA60132 CENCA67238 CENCA72708 CENCA78373 CENCA48268 CENCA58358 CENCA60133 CENCA67251 CENCA72707 CENCA78367 CENCA50642 CENCA58355 CENCA60135 CENCA67253 CENCA72712 CENCA78379 CENCA50646 CENCA58354 CENCA60134 CENCA67257 CENCA7271 1 CENCA78381 CENCA50645 CENCA58357 CENCA60131 CENCA67250 CENCA74558 CENCA78378 CENCA50641 CENCA58613 CENCA63634 CENCA67254 CENCA74559 CENCA82085 CENCA50643 CENCA58353 CENCA63635 CENCA69674 CENCA74560 CENCA78377 CENCA50651 CENCA58607 CENCA63637 CENCA69673 CENCA74557 CENCA78380 CENCA82088 CENCA82098 CENCA86466 CENCA86468 CENCA86476 CENCA8991 1 CENCA82087 CENCA82095 CENCA82102 CENCA86470 CENCA86477 CENCA89913 CENCA82086 CENCA82096 CENCA74563 CENCA86472 CENCA86480 CENCA89914 CENCA82090 CENCA82094 CENCA82103 CENCA86473 CENCA89909 CENCA89912 CENCA82089 CENCA82097 CENCA86471 CENCA86474 CENCA89908 CENCA89917 CENCA82091 CENCA82099 CENCA86467 CENCA86478 CENCA89910 CENCA82092 CENCA82101 CENCA82104 CENCA86475 CENCA89907 CENCA82093 CENCA82100 CENCA86469 CENCA86479 CENCA89906

August 20/15 

# PW4ENG A72-833 Page 29 UTC/P&W PROPRIET AR Y INFORMA TION Subject to the restrictions on the cover or first page. Not subject to the EAR per 15 C.F.R Chapter 1, Part 734.3(b)(3).