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Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-32A0253 RB Original Issue: February 06, 2024 ATA System: 3211 SUBJECT: LANDING GEAR - Main Landing Gear - Outer Cylinder Inspection and Replacement EXPORT CONTROLLED - This technology or software is subject to the U.S. Export Administration Regulations (EAR), (15 C.F.R. Parts 730-774). No authorization from the U.S. Department of Commerce is required for export, re-export, in-country transfer, or access EXCEPT to country group E:1 or E:2 countries/persons per Supp.1 to Part 740 of the EAR.
9E991ECCN:
Copyright © 2024 The Boeing Company Treatment of this document and its content is governed by contract with Boeing. Rights to use this document are licensed on a per aircraft basis and such rights may not be transferable. For more information, contact The Boeing Company.
Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, KC-10, KC-46, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8, Poseidon and Boeing liveries are all trademarks owned by The Boeing Company; and no trademark license is granted in connection with this document unless provided in writing by Boeing.
Original Issue: February 06, 2024 767-32A0253 RB 1 of 23
5.0
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 2 of 23 REQUIREMENTS BULLETIN 767-32A0253
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Table of Contents
1. EFFECTIVITY5
A. Airplanes5
B. Spares Affected8
2. CONCURRENT REQUIREMENTS8
3. COMPLIANCE8
4. APPROVAL9
5. ACCOMPLISHMENT INSTRUCTIONS11
A. General Information11
B. Work Instructions12
FIGURE 1: MAIN LANDING GEAR - OUTER CYLINDER - PART NUMBER AND SERIAL NUMBER
INSPECTION15
APPENDIX A: AFFECTED OUTER CYLINDER PART NUMBERS AND SERIAL NUMBERS18
APPENDIX B: AFFECTED OUTER CYLINDER PART NUMBERS AND SERIAL NUMBERS19
APPENDIX C: AFFECTED OUTER CYLINDER PART NUMBERS AND SERIAL NUMBERS20
APPENDIX D: MAIN LANDING GEAR - OUTER CYLINDER - INSPECTION FOR HEAT DAMAGE AND
CRACKS, AND REPAIR22
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 3 of 23 REQUIREMENTS BULLETIN 767-32A0253
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Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-32A0253 RB Original Issue: February 06, 2024 ATA System: 3211 SUBJECT: LANDING GEAR - Main Landing Gear - Outer Cylinder Inspection and Replacement
THIS DOCUMENT IS SENT TO THE OPERATORS OF RECORD OF THE AIRPLANES SHOWN IN PARAGRAPH 1.A., EFFECTIVITY. IF AN AIRPLANE HAS BEEN LEASED OR SOLD, SEND THIS DOCUMENT TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS DOCUMENT TO THE NEW OWNER. THIS IS AN ENHANCED REQUIRED FOR COMPLIANCE DOCUMENT. THE BOEING
PROCESSES USED TO CREATE THE SERVICE BULLETIN (SB) AND THE REQUIREMENTS BULLETIN (RB) ENSURE THAT THE INFORMATION BETWEEN "RC START" AND "RC END" IN THE SB ARE IDENTICAL TO THE INFORMATION IN THE SAME SECTIONS (COMPLIANCE, WORK INSTRUCTIONS…) OF THE RB WHICH THE SB REFERS TO AS THE RELATED DOCUMENT.
1. Effectivity A. Airplanes This bulletin is applicable to 767-200, 767-300, 767-300F Airplane(s), line number(s) 2-717, 719-757, 759-768, 770-772, 774-790, 792-798, 800, 802, 806, 808, 811-812, 815, 817, 819, 822-823, 825, 827-829, 831-841, 843-854, 857-858, 860-861, 863, 867, 870, 875, 877, 879-922, 924-964, 966-1064, 1068, 1070-1090, 1093-1097, 1099, 1101, 1103, 1105-1106, 1108, 1110, 1112, 1115, 1118, 1121, 1123, 1125, 1127, 1130, 1133, 1136, 1138, 1140-1142, 1144, 1146, 1148, 1150, 1152-1153, 1155, 1157, 1159, 1161, 1163, 1165, 1167, 1169, 1171, 1173, 1175, 1177, 1179-1180, 1182-1183, 1185-1187, 1189-1191, 1193-1195, 1197-1199, 1201, 1203-1204, 1206, 1208-1209, 1211-1212, 1214-1215, 1217-1218, 1220-1222, 1224-1225, 1227-1229, 1231-1233, 1235, 1237, 1239-1240, 1242, 1244-1245, 1247, 1249, 1251, 1253, 1255-1256, 1258, 1260, 1262-1263, 1265-1266, 1268, 1270, 1272, 1274, 1276, 1278-1279, 1281, 1283, 1285, 1287, 1289, 1291-1292, 1294, 1296, 1298, 1300, 1302, 1304-1305, 1307, 1309, 1311, 1313, 1315, 1317-1318, 1320, 1322-1323, 1325, 1327, 1329-1330, 1332, 1334, 1336, 1338, 1340, 1342-1343, 1345, 1347, 1349, 1351, 1353, 1355-1356, 1358, 1360, 1362-99999 in 1 Group(s). Where the effectivity is presented with hyphens between line numbers, the airplane applicability means "through" and "inclusive", e.g. line numbers 1-9 means line numbers 1 through 9 inclusive.
The Variable Numbers and Group Information for the applicable airplanes is given below NOTE: The Variable Number table below includes affected airplanes available as of the issue date of this bulletin. Affected airplane Variable Numbers added to MyBoeingFleet.com after the issue date of this bulletin will be shown using the Maintenance Performance Toolbox EFFECTIVITY search function result.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 5 of 23
DESCRIPTIONCONFIGURATIONGROUP All 767-200, 767-300 and 767-300F airplanes.-1 Airplane Models:
767-200, 767-300, 767-300F GroupVariable Number 1VA002 - VA020 1VA301 - VA315 1VA501 - VA530 1VA701 - VA719 1VA801 - VA810 1VB001 - VB002 1VB051 - VB055 1VB101 - VB125 1VB201 - VB202 1VB251 - VB253 1VB281 - VB284 1VB301 - VB302 1VB321 - VB332 1VB371 - VB373 1VB401 1VB441 - VB444 1VE001 - VE003 1VE021 - VE023 1VE041 - VE043 1VE061 - VE069 1VE083 - VE086 1VE101 - VE104 1VE116 - VE118 1VE121 - VE126 1VE141 - VE152 1VE171 - VE172 GroupVariable Number 1VF001 - VF002 1VF041 - VF042 1VF051 1VF061 - VF062 1VF071 - VF072 1VF091 - VF093 1VF101 - VF102 1VF161 - VF162 1VF171 - VF172 1VF180 - VF184 1VF251 1VK001 - VK016 1VK021 - VK022 1VK031 - VK056 1VK081 - VK113 1VK131 - VK133 1VK141 - VK148 1VK161 - VK164 1VK171 1VK181 1VK186 1VL001 - VL006 1VL011 1VL701 - VL703 1VL751 - VL755 1VL806 - VL807 GroupVariable Number 1VL871 - VL873 1VL891 - VL900 1VL911 - VL914 1VL931 - VL932 1VL941 1VN001 - VN041 1VN051 - VN064 1VN081 - VN099 1VN111 - VN127 1VN130 - VN137 1VN151 - VN158 1VN163 - VN168 1VN171 - VN174 1VN191 - VN198 1VN211 - VN212 1VN221 - VN225 1VN231 - VN234 1VN241 - VN243 1VN251 - VN276 1VN291 - VN293 1VN301 - VN314 1VN371 - VN372 1VN376 1VN381 - VN388 1VN421 - VN427 1VN436 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 6 of 23 REQUIREMENTS BULLETIN 767-32A0253
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GroupVariable Number 1VN471 - VN472 1VN491 - VN513 1VN531 - VN532 1VN536 - VN537 1VN541 - VN542 1VN546 - VN547 1VN551 1VN556 - VN557 1VN561 - VN562 1VN631 - VN638 1VN651 - VN658 1VN671 - VN672 1VN676 1VN681 - VN691 1VN731 - VN732 1VN751 - VN753 1VN791 - VN792 1VN811 - VN813 1VN921 - VN922 1VN931 - VN936 1VN951 - VN953 1VN966 - VN972 1VR051 - VR060 1VR081 1VR084 1VR086 - VR089 1VR106 - VR109 1VR201 - VR211 1VR251 1VR256 - VR260 1VR266 - VR320 1VR401 1VR421 - VR423 GroupVariable Number 1VR426 1VR441 1VR461 1VR471 - VR472 1VS051 - VS056 1VS061 1VS066 - VS070 1VS073 - VS078 1VS091 - VS104 1VS111 - VS113 1VS131 - VS133 1VS136 - VS137 1VS176 - VS177 1VS186 - VS187 1VS196 - VS203 1VS206 - VS208 1VS211 1VS216 - VS217 1VS231 1VS246 - VS248 1VS261 - VS263 1VS266 - VS274 1VS291 - VS293 1VS301 - VS303 1VS306 - VS311 1VS316 1VS321 - VS324 1VS331 - VS333 1VS336 - VS337 1VS366 - VS367 1VS381 - VS382 1VS391 - VS392 1VS401 GroupVariable Number 1VS426 - VS428 1VS466 - VS472 1VS486 1VS496 - VS497 1VS506 - VS507 1VS526 1VS546 - VS549 1VS701 - VS736 1VS751 - VS759 1VS821 - VS825 1VS841 - VS844 1VS861 1VS881 - VS883 1VS891 1VS896 1VS901 - VS912 1VS916 1VS921 - VS928 1VS931 - VS933 1VS941 1VS951 - VS954 1VS961 - VS969 1VS971 - VS977 1VS981 - VS984 1VT001 - VT013 1VT021 1VT031 - VT033 1VT501 1VT511 - VT513 1VT521 - VT523 1VT531 - VT533 1VT541 - VT546 1VT551 - VT552 Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 7 of 23 REQUIREMENTS BULLETIN 767-32A0253
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GroupVariable Number 1VT556 - VT700 1VT731 - VT735 GroupVariable Number 1VT737 1VW701 - VW721 GroupVariable Number 1VW851 -- B. Spares Affected Examine your spares supply for the part numbers and serial numbers identified in APPENDIX A, APPENDIX B and APPENDIX C of this Bulletin. If any affected part numbers and serial numbers are found, refer to Work Instructions of this Bulletin for the recommended action.
2. CONCURRENT REQUIREMENTS None.
3. COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements Bulletin 767-32A0253 RB. The Airworthiness Directive will make the compliance tasks and times given in Requirements Bulletin 767-32A0253 RB mandatory.
Accomplish the required action(s), based on the applicable condition(s) in Table 1, in accordance with Accomplishment Instructions.
When more than one OPTION is given for a CONDITION, do only one of the OPTION numbers. When more than one ACTION is given for a CONDITION or an OPTION, do all of the ACTION numbers for that CONDITION or OPTION.
Table 1: Main Landing Gear - Outer Cylinder Part Number and Serial Number Inspection and Outer Cylinder Replacement Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition -Within 30 months after the Original Issue date of Requirements Bulletin 767-32A0253 RB OPTION 1: Do a check of maintenance records of the left and right Main Landing Gear (MLG) Outer Cylinder part number and serial number for any affected part numbers and serial numbers listed in APPENDIX A, APPENDIX B, and AP- PENDIX C.
All Airplanes OPTION 2: Inspect the left and right MLG Outer Cylinder part number and serial number for any affected part numbers and serial numbers.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 8 of 23 REQUIREMENTS BULLETIN 767-32A0253
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Table 1: Main Landing Gear - Outer Cylinder Part Number and Serial Number Inspection and Outer Cylinder Replacement Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time ActionCondition --No further action is required.
CONDITION 1: NO AF-
FECTED MLG OUTER CYLINDER FOUND.
-Within 30 months after the Original Issue date of Requirements Bulletin 767-32A0253 RB Replace each affected MLG Outer Cylinder with a new or serviceable MLG Outer Cylinder. (a) CONDITION 2: ANY MLG
OUTER CYLINDER PART
NUMBER AND SERIAL
NUMBER LISTED IN AP- PENDIX A FOUND.
-Within 46 months after the Original Issue date of Requirements Bulletin 767-32A0253 RB Replace each affected MLG Outer Cylinder with a new or serviceable MLG Outer Cylinder. (a) CONDITION 3: ANY MLG
OUTER CYLINDER PART
NUMBER AND SERIAL
NUMBER LISTED IN AP- PENDIX B FOUND.
-Within 130 months after the Original Issue date of Requirements Bulletin 767-32A0253 RB Replace each affected MLG Outer Cylinder with a new or serviceable MLG Outer Cylinder. (a) CONDITION 4: ANY MLG
OUTER CYLINDER PART
NUMBER AND SERIAL
NUMBER LISTED IN AP- PENDIX C FOUND.
(a) A serviceable MLG Outer Cylinder is defined as one that does not have a part number and serial number identified in APPENDIX A, APPENDIX B and APPENDIX C, or is a MLG Outer Cylinder that has a part number and serial number identified in AP- PENDIX A, APPENDIX B or APPENDIX C that has been inspected, applicable oncondition corrective actions have been done, and part marked in accordance with APPENDIX D of Requirements Bulletin 767-32A0253 RB.
4. APPROVAL This Requirements Bulletin was examined by the Federal Aviation Administration (FAA). The changes specified in this document comply with the applicable regulations and are FAA approved, as well as European Union Aviation Safety Agency (EASA)/Joint Aviation Authorities (JAA) approved for all EASA/JAA approved airplanes listed in this Requirements Bulletin effectivity. This document and its approval were based on the airplane in its original Boeing delivery configuration or as modified by other Boeing changes.
If an airplane has a non-Boeing modification or repair that affects a component or system also affected by this Requirements Bulletin, the operator is responsible for obtaining appropriate regulatory agency approval before incorporating this Requirements Bulletin.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 9 of 23 REQUIREMENTS BULLETIN 767-32A0253
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5. ACCOMPLISHMENT INSTRUCTIONS A. GENERAL INFORMATION NOTE: 1. This is an Enhanced Required for Compliance document. There will be a separate Service Bulletin (SB) and a separate Requirements Bulletin (RB). If an RB is mandated by an Airworthiness Directive (AD), then all applicable requirements specified in the RB must be done. In the RB, the "Refer to the listed procedures..." column of the table(s) in the Work Instructions is for reference only. The procedures in that column are not required by the AD and are for guidance only. For the related SB, some locations are marked RC Start and RC End to identify the requirements that are restated from the RB. For the related SB, the areas between RC Start and RC End, including sub-steps and any figures identified between RC Start and RC End, must be done to comply with the AD. Therefore, an Alternative Method of Compliance (AMOC) is required for any deviations to steps between RC Start and RC End, including substeps and identified figures. For the related SB, the steps not between RC Start and RC End may be deviated from using accepted methods in accordance with the operator's maintenance or inspection program without obtaining approval of an AMOC; this is provided that the steps between RC Start and RC End, including sub-steps and identified figures, can still be done as specified, and the airplane can be put back in an airworthy condition. Figures not required for compliance are omitted from the RB.
2. This is an Enhanced Required for Compliance document. The Boeing processes used to create the Service Bulletin (SB) and the Requirements Bulletin (RB) ensure that the information between "RC Start" and "RC End" in the SB are identical to the information in the same sections (Compliance, Work Instructions...) of the RB which the SB refers to as the related document.
3. The compliance times for the actions in WORK INSTRUCTIONS are in Compliance.
4. Unless shown differently, these dimensions and tolerances are used:
– Linear dimensions are in inches – Tolerance on linear dimensions, other than rivet and bolt edge margins, is plus or minus 0.03 inch – Tolerance on rivet and bolt edge margin is plus or minus 0.05 inch – Angular tolerance is plus or minus 2 degrees – Hole dimensions for standard solid rivets and fasteners are in Structural Repair Manual (SRM) Chapter 51 – Torque Values:
— Values for structural fasteners are given in 767 Structural Repair Manual, Chapter 51.
— Values for airframe maintenance tasks are included in Chapter 20 of 767 Aircraft Maintenance Manual (AMM).
— Values for electrical maintenance tasks are included in Chapter 20 of Standard Wiring Practices Manual (SWPM).
— Values for engine maintenance tasks are included in Chapter 70 of 767 Aircraft Maintenance Manual (AMM).
— Non-standard torque values for maintenance tasks are included in the applicable installation step.
Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 11 of 23 REQUIREMENTS BULLETIN 767-32A0253
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5. These work instructions refer to procedures included in other Boeing documents.
When the words "refer to" are used and the operator has an accepted alternative procedure, the accepted alternative procedure can be used. When the words "in accordance with" are included in the instruction, the procedure in the Boeing document must be used.
6. Where the work instructions include installation of a kept part, a new or serviceable part with the same part number can be installed as an alternative to the kept part.
7. If it is necessary to remove more parts for access, you can remove those parts. If you can get access without removing identified parts, it is not necessary to remove all of the identified parts. Jacking and shoring limitations must be observed.
8. Use the approved fastener, process and material substitutions in accordance with SRM Chapter 51.
9. When more than one OPTION is given for a CONDITION, do only one of the OPTION numbers. When more than one ACTION is given for a CONDITION or an OPTION, do all of the ACTION numbers for that CONDITION or OPTION.
10. The instructions in Work Instructions and the figures can include operation of tools or test equipment. Boeing Engineering Tool Drawings, the Illustrated Tool and Equipment Manual, and the Special Tool and Ground Handling Drawing Index contain data on versions of the tools or test equipment that you can use. It is permitted to use replaced tools. It is not permitted to use superseded tools.
11. If the length of any fastener specified in this service bulletin does not meet installation standards given in SRM Chapter 51, then a fastener of the same specification, or an approved substitute, with a length which meets the installation standards given in SRM Chapter 51 may be used. In addition, washers may be installed for fastener grip length in accordance with SRM Chapter 51. Refer to SOPM 20-50-01 for alternate full threaded fasteners (screws) needed for installation in this service bulletin.
12. Use of colors in Figures is based on guidance from the ATA e-Business Program (ATA) iSpec 2200.
13. A serviceable MLG Outer Cylinder is defined as one that does not have a part number and serial number identified in APPENDIX A, APPENDIX B and APPENDIX C, or is a MLG Outer Cylinder that has a part number and serial number identified in APPENDIX A, APPENDIX B or APPENDIX C that has been inspected, applicable on-condition corrective actions have been done, and part marked in accordance with APPENDIX D of Requirements Bulletin 767-32A0253 RB.
14. A maintenance records check of the left and right MLG Outer Cylinder part number and serial number for affected part number and serial number can be done provided the part number and serial number can be conclusively determined from that check.
B. WORK INSTRUCTIONS Actions Required for Compliance
1. Requirements Export Controlled ECCN: 9E991 See page 1 for details Original Issue: February 06, 2024 767-32A0253 RB 12 of 23 REQUIREMENTS BULLETIN 767-32A0253