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ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement
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 (2013) General Electric Company, U.S.A.
August 14, 2013 GE90-100 S/B 72-0499 PAGE 1 of 14
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement
1. PLANNING INFORMATION A. Effectivity GE90-110B1 and -115B This Service Bulletin is applicable to all GE90-100 engines.
The spool stages 2-5 [high pressure compressor (HPC) stage 2-5 spools] P/N 351-103-106-0, P/N 351-103-107-0, P/N 351-103-141-0, P/N 351-103-142-0, P/N 351-103-144-0, P/N 351-103-145-0, P/N 351-103-148-0, P/N 351-103-149-0, and P/N 351-103-151-0 are affected by this Service Bulletin.
NOTE: The HPC stage 2-5 spools with serial numbers listed in paragraph 4., APPENDIX - A are affected by this Service Bulletin.
B. Description This Service Bulletin provides instructions to replace the affected HPC stage 2-5 spools with a replacement HPC stage 2-5 spool.
This Service Bulletin also gives instructions to label, or mark and scrap the removed HPC stage 2-5 spool.
C. Compliance Category 2 GE recommends that you do this Service Bulletin as follows:
. If the HPC stage 2-5 spool has greater than 5,800 cycles since new (CSN), remove within 3 months from the issue date of this Service Bulletin, but before 6,000 CSN.
. If the HPC stage 2-5 spool has greater than 5,500 CSN and less than 5,800 CSN, remove within 6 months from the issue date of this Service Bulletin, but before 6,000 CSN.
. If the HPC stage 2-5 spool has less than 5,500 CSN, remove before reaching 5,800 CSN.
NOTE 1: This Service Bulletin is not intended to extend the life limit of any HPC stage 2-5 spools. If the published life limit for a part in the GE90-100 Engine Manual (EM) Chapter 05 is lower than the removal thresholds in paragraph
1.C., Compliance, the Chapter 05 life limit supersedes recommendations in this Service Bulletin.
NOTE 2: 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 August 14, 2013 GE90-100 S/B 72-0499 PAGE 2 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement 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 improve reliability and remove parts from service.
(2) Condition:
HPC stage 2-5 spools in service have e xperienced micro-cracks in the HPC stage 5-6 seal teeth spacer arm.
(3) Cause:
Elevated stresses due to coating application process and elevated temperatures.
(4) Improvement:
The affected HPC stage 2-5 spools will be removed from service and replaced.
(5) Substantiation:
Substantiation is by analysis and comparative analysis.
F. Approval This Service Bulletin contains no modi fication information that revises the approved configuration and therefore does not require FAA approval.
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 (Use the latest version of these documents) GEK 9250, Commercial Engine Standard Practices Manual (SPM) GEK 109993, GE90-100 Engine Manual (EM) GEK 110005, GE90-100 Illustrated Parts Catalog (IPC) August 14, 2013 GE90-100 S/B 72-0499 PAGE 3 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement J. Publications Affected None.
K. Interchangeability Not applicable.
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 351-103-110-0 (1) Spool Stage 2-5 446,500.00 (1) 30 OR 351-103-108-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-109-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-143-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-146-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-147-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-150-0* (1) Spool Stage 2-5 NP (-) -- OR 351-103-152-0* (1) Spool Stage 2-5 NP (-) -- *Part not supplied by GE Engine Services Distribution L.L.C.
NP = Not Provisioned NOTE: Prices are provided for planning purposes and are subject to change.
August 14, 2013 GE90-100 S/B 72-0499 PAGE 4 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement
(2) Other Spare Parts:
None.
(3) Consumables:
Code Number Description C05-003 Marking Pen B. Industry Support Information Contact your Customer Support Manager (CSM).
C. Configuration Chart Not applicable.
D. Parts Disposition Scrap the removed HPC stage 2-5 spool.
E. Tooling - Price and Availability None.
3. ACCOMPLISHMENT INSTRUCTIONS A. General
(1) Make sure if the HPC stage 2-5 spool (1, Figure 1) serial number is listed in paragraph 4., A PPENDIX - A and then do as follows:
(a) If the HPC stage 2-5 spool (1) serial number is not listed, no more action is necessary.
(b) If the HPC stage 2-5 spool (1) serial number is listed in paragraph 4., APPENDIX - A, continue with step 3.A.(2).
(2) Disassemble the HPC rotor assembly until you can see the HPC stage 2-5 spool (1) serial number located on the outer surface of the stage 2 dovetail slot No. 1. Refer to the GE90-100 EM, 72-31-00, DISASSEMBLY 001 or DISASSEMBLY 002, and Figure 2.
(3) When you can see the serial number on the outer surface of the stage 2 dovetail slot No. 1, physically do a check of the serial number engraved in the marking area of the suspect HPC stage 2-5 spool (1, Figure 1). Make sure that the engraved serial number (Figure 2) is the same serial number as the one shown in paragraph 4., A PPENDIX - A.
August 14, 2013 GE90-100 S/B 72-0499 PAGE 5 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement
(4) When you get access to the affected HPC stage 2-5 spool (1, Figure 1) and before the disassembly of the HPC stage 2-5 spool (1), do as follows:
CAUTION: THE AFFECTED HPC STAGE 2-5 SPOOL IS NOT SERVICEABLE AND NOT REPAIRABLE DESPITE THE VISUAL CONDITIONS.
(a) Attach a cardboard or metal label (tag) with "NON SERVICEABLE" marked on it to the affected HPC stage 2-5 spool (1). Refer to the SPM, 70-16-02, TEMPORARY MARKING.
OR
(b) Mark "NON SERVICEABLE" on the affected HPC stage 2-5 spool (1, Figure 1). Use a marking pen (C05-003) or equivalent. Refer to the SPM, 70-16-02, TEMPORARY MARKING.
(5) Make sure that the "NON SERVICEABLE" mark can be read and the label is attached tightly to prevent the HPC stage 2-5 spool (1, Figure 1) from being reinstalled after removal.
(6) Remove the affected HPC stage 2-5 spool (1). Refer to the GE90-100 EM, 72-31-00, DISASSEMBLY 001 or DISASSEMBLY 002.
(7) Install a replacement HPC stage 2-5 spool (1, Figure 1). Refer to the GE90-100 EM, 72-31-00, ASSEMBLY 001 or ASSEMBLY 002.
(8) Assemble the HPC rotor assembly. Refer to the GE90-100 EM, 72-31-00, ASSEMBLY 001 or ASSEMBLY 002.
August 14, 2013 GE90-100 S/B 72-0499 PAGE 6 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
GE (O • -100 SERIES GE Aircraft Engines
SERVICE BULLETIN ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement FWD 5004320-00 HPC Rotor Assembly Figure 1, ( Sheet 1 of 2) August 14, 2013 GE90-100 S/B 72-0499 PAGE 7 GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GE (O • -100 SERIES GE Aircraft Engines
SERVICE BULLETIN ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement INTERSTAGE 5-6
SEAL TEETH HPC STAGE 5-6 SEAL
TEETH SPACER ARM LEGEND:
1. HPC STAGE 2-5 SPOOL 5004321-00 HPC Rotor Assembly Figure 1, ( Sheet 2) August 14, 2013 GE90-100 S/B 72-0499 PAGE 8 GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
GE 00 - 100 SERIES GE Aircraft Engines
SERVICE BULLETIN ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identification and Removal of HPC Stage 2-5 Spools from Service for Replacement HPC STAGE 2-5 SPOOL STAGE 2 DISK SLOT NUMBER 1 HPC STAGE 2-5 SPOOL
SERIAL NUMBER
BLADE NUMBER ONE LOCATION IS IDENTIFIED BY TWO NUMBER " 1 " ON THE FORWARD FACE OF THE HPC STAGE 2-5 SPOOL STAGE 2 DISK STAGE 2 DISK SLOT NUMBER 2 5004322-00 Marking Location of the HPC Stage 2-5 Spool Figure 2 August 14, 2013 GE90-100 S/B 72-0499 PAGE 9 GE PROPRIETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement
4. APPENDIX - A The HPC stage 2-5 spool serial numbers listed below are affected by this Service Bulletin:
NOTE 1: The table below shows original spool part numbers from as-delivered parts. If parts have been re-marked to new part numbers as speci fied by other Service Bulletins but the spool serial numbers are still shown in this table, they are still applicable to the recommendations in this Service Bulletin.
NOTE 2: The information in the table below is the best available data.
Original HPC Stage 2-5 Spool Part Number HPC Stage 2-5 Spool Serial Number Original HPC Rotor Assembly Serial Number (at New Engine Build) Engine Serial Number (at New Engine Build) 351-103-106-0 LA095096 WM034003 906-103 351-103-106-0 LA098356 WM034002 906-102 351-103-106-0 LA099259 WM034004 906-104 351-103-106-0 LA100659 WM034005 906-105 351-103-106-0 LA108679 WM034007 906-107 351-103-106-0 LA109780 WM034008 906-108 351-103-106-0 LA109792 WM034010 906-110 351-103-106-0 LA110557 WM034009 906-109 351-103-106-0 LA110884 WM034013 906-113 351-103-106-0 LA115491 WM034012 906-112 351-103-106-0 LA115492 WM034011 906-111 351-103-106-0 LA115833 WM034014 906-116 351-103-106-0 LA116325 WM034016 906-115 351-103-106-0 LA116394 WM034017 906-117 351-103-106-0 LA116395 WM034015 906-114 351-103-106-0 LA117628 WM034019 906-119 351-103-106-0 LA117629 WM034018 906-118 351-103-106-0 LA118983 WM034021 906-121 351-103-106-0 LA118984 WM034020 906-120 351-103-106-0 LA119419 WM034023 906-123 351-103-107-0 LA118883 WM034022 906-122 351-103-107-0 LA119791 WM034024 906-124 351-103-107-0 LA120914 WM034026 906-126 August 14, 2013 GE90-100 S/B 72-0499 PAGE 10 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement Original HPC Stage 2-5 Spool Part Number HPC Stage 2-5 Spool Serial Number Original HPC Rotor Assembly Serial Number (at New Engine Build) Engine Serial Number (at New Engine Build) 351-103-107-0 LA120998 WM034025 906-125 351-103-107-0 LA121711 WM034028 906-128 351-103-107-0 LA121714 WM034032 906-132 351-103-107-0 LA122047 WM034029 906-129 351-103-107-0 LA122049 WM034089 906-189 351-103-107-0 LA122381 WM034031 906-131 351-103-107-0 LA122382 WM034030 906-130 351-103-107-0 LA122383 WM034033 906-133 351-103-107-0 LA122385 WM034034 906-135 351-103-107-0 LA123449 WM034036 906-136 351-103-107-0 LA123450 WM034035 906-134 351-103-107-0 LA124238 WM034039 906-139 351-103-107-0 LA124239 WM034046 906-147 351-103-107-0 LA124298 WM034040 906-140 351-103-107-0 LA124300 WM034037 906-137 351-103-107-0 LA124307 WM034038 906-138 351-103-107-0 LA124501 WM034041 906-141 351-103-107-0 LA124502 WM034043 906-143 351-103-107-0 LA124503 WM034042 906-142 351-103-107-0 LA124505 WM034047 906-146 351-103-107-0 LA125188 WM034044 906-144 351-103-107-0 LA125189 WM034045 906-145 351-103-107-0 LA125757 WM034048 906-148 351-103-107-0 LA125758 WM034049 906-149 351-103-107-0 LA125759 WM034054 906-154 351-103-107-0 LA125897 WM034071 906-171 351-103-107-0 LA125898 WM034065 906-164 351-103-107-0 LA125975 WM034056 906-156 351-103-107-0 LA125976 WM034053 906-153 351-103-107-0 LA126335 WM034055 906-155 August 14, 2013 GE90-100 S/B 72-0499 PAGE 11 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.
ENGINE - High Pressure Compressor Rotor Assembly (72-31-00) - Identi fication and Removal of HPC Stage 2-5 Spools from Service for Replacement Original HPC Stage 2-5 Spool Part Number HPC Stage 2-5 Spool Serial Number Original HPC Rotor Assembly Serial Number (at New Engine Build) Engine Serial Number (at New Engine Build) 351-103-107-0 LA126734 WM034051 906-151 351-103-107-0 LA126735 WM034052 Unknown 351-103-107-0 LA126736 WM034092 906-192 351-103-107-0 LA126737 WM034050 906-150 351-103-107-0 LA127450 WM034082 906-182 351-103-107-0 LA127451 WM034080 906-180 351-103-107-0 LA127452 WM034057 906-157 351-103-107-0 LA127453 WM034063 906-162 351-103-107-0 LA127454 WM034067 906-166 351-103-107-0 LA128316 WM034058 906-158 351-103-107-0 LA128317 WM034059 906-159 351-103-107-0 LA128318 WM034064 906-163 351-103-107-0 LA128319 WM034060 906-160 351-103-107-0 LA128320 WM034069 906-168 351-103-107-0 LA128321 WM034061 906-161 351-103-107-0 LA128322 WM034062 906-169 351-103-107-0 LA128500 WM034068 906-167 351-103-107-0 LA129364 WM034077 906-177 351-103-107-0 LA129365 WM034091 906-191 351-103-107-0 LA129366 WM034072 906-172 351-103-107-0 LA129367 WM034074 906-193 351-103-107-0 LA129368 WM034076 906-176 351-103-107-0 LA129369 WM034066 906-165 351-103-107-0 LA130802 WM034090 906-190 351-103-107-0 LA130803 WM034073 906-175 351-103-107-0 LA132095 WM034079 906-179 351-103-107-0 LA132096 WM034075 906-174 351-103-107-0 LA132097 WM034070 906-170 351-103-107-0 LA132116 WM034083 906-183 351-103-107-0 LA132720 WM034088 906-188 August 14, 2013 GE90-100 S/B 72-0499 PAGE 12 GE PROPR IETARY INFORMATION - Subject to the restrictions on the cover or first page.