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Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-53A0301 RB Original Issue: April 21, 2021 Revision 2: May 24, 2023 ATA System: 5300 SUBJECT: FUSELAGE - Section 53 - Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Inspection and Repair 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 © 2021 Boeing.
Unpublished Work. All Rights Reserved.
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: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 1 of 44
2.0
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 2 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
BLANK PAGE
Table of Contents
Revision Transmittal Sheet5
1. EFFECTIVITY7
A. Airplanes7
B. Spares Affected9
2. CONCURRENT REQUIREMENTS9
3. COMPLIANCE10
4. APPROVAL15
5. ACCOMPLISHMENT INSTRUCTIONS17
A. General Information17
B. Work Instructions19
FIGURE 1: FORWARD ENTRY DOOR CUTOUT AFT LOWER CORNER FUSELAGE SKIN AND BEAR
STRAP - EXTERNAL AND INTERNAL DETAILED INSPECTION27
FIGURE 2: FORWARD SERVICE DOOR CUTOUT AFT LOWER CORNER FUSELAGE SKIN AND BEAR
STRAP - EXTERNAL AND INTERNAL DETAILED INSPECTION [Group 1]31
FIGURE 3: FORWARD ENTRY DOOR CUTOUT AFT LOWER CORNER FASTENER HOLE LOCATIONS
- OPEN HOLE HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION35
FIGURE 4: FORWARD SERVICE DOOR CUTOUT AFT LOWER CORNER FASTENER HOLE LOCATIONS
- OPEN HOLE HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION [Group 1] . 38 FIGURE 5: FORWARD ENTRY DOOR CUTOUT AFT LOWER CORNER FUSELAGE SKIN - EXTERNAL
DETAILED INSPECTION41
FIGURE 6: FORWARD SERVICE DOOR CUTOUT AFT LOWER CORNER FUSELAGE SKIN - EXTERNAL
DETAILED INSPECTION [Group 1]43
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 3 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 4 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
BLANK PAGE
Commercial Airplanes 767 Requirements Bulletin ALERT Revision Transmittal SheetNumber: 767-53A0301 RBOriginal Issue: April 21, 2021 Revision 2: May 24, 2023 ATA System: 5300 SUBJECT: FUSELAGE - Section 53 - Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Inspection and Repair This revision includes all pages of the requirements bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements bulletin 767-53A0301 RB. The Airworthiness Directive will make the compliance tasks and times given in Requirements bulletin 767-53A0301 RB mandatory.
Effects of this Revision 2 on airplanes on which the Original Issue or Revision 1 was previously done:
None.
REASON FOR REVISION This revision clarifies compliance action and work instruction action descriptions to be consistent with the area of inspection.
These sections were changed:
- Compliance: Clarify Action statements.
- Accomplishment Instructions, Work Instructions Table 1 and Table 2: Updated Action description
- Figure 1 and 2: Updated illustration and footnote.
- Figure 3 and 4: Updated footnote.
-Figure 5, Figure 6, Figure 7, Figure 8, Figure 9, and Figure 10: Updated illustration
REVISION HISTORY Service BulletinService BulletinRequirement BulletinRequirement Bulletin 767-53A0301767-53A0301767-53A0301 RB767-53A0301 RB Issue DateIssue Date April 21, 2021Original Issue:April 21, 2021Original Issue:
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 5 of 44
April 11, 2022Revision 1:April 11, 2022Revision 1:
May 24, 2023Revision 2:May 24, 2023Revision 2:
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 6 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
Commercial Airplanes 767 Requirements Bulletin ALERT Number: 767-53A0301 RB Original Issue: April 21, 2021 Revision 2: May 24, 2023 ATA System: 5300 SUBJECT: FUSELAGE - Section 53 - Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Inspection and Repair
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, 767-400ER Airplane(s), line number(s) 1-717, 719-1064, 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 in 2 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.
DESCRIPTIONCONFIGURATIONGROUP 767-200/-300/-400ER Airplanes with forward entry door and forward service door.
-1 767-300F Airplanes with forward entry door and no forward service door.
-2 Airplane Models:
767-200, 767-300, 767-300F, 767-400ER Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 7 of 44
GroupVariable Number 1VA001 - 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 1VF001 - VF002 1VF041 - VF042 1VF051 1VF061 - VF062 1VF071 - VF072 1VF091 - VF093 1VF101 - VF102 GroupVariable Number 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 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 GroupVariable Number 1VN211 - VN212 1VN221 - VN225 1VN231 - VN234 1VN241 - VN243 1VN251 - VN276 1VN291 - VN293 1VN301 - VN314 1VN371 - VN372 1VN376 1VN381 - VN388 1VN421 - VN427 1VN436 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 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 8 of 44 REQUIREMENTS BULLETIN 767-53A0301
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GroupVariable Number 1VN966 - VN972 1VQ001 - VQ021 1VQ071 - VQ086 1VQ111 1VR051 - VR060 1VR081 1VR084 1VR086 - VR089 1VR106 - VR109 2VR201 - VR211 2VR251 2VR256 - VR260 2VR266 - VR305 1VR401 1VR421 - VR423 1VR426 1VR441 1VR461 1VR471 - VR472 1VS051 - VS056 1VS061 1VS066 - VS070 1VS073 - VS078 1VS091 - VS104 1VS111 - VS113 1VS131 - VS133 1VS136 - VS137 1VS176 - VS177 1VS186 - VS187 GroupVariable Number 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 1VS426 - VS428 1VS466 - VS472 1VS486 1VS496 - VS497 1VS506 - VS507 1VS526 1VS546 - VS549 1VS701 - VS736 1VS751 - VS759 1VS821 - VS825 GroupVariable Number 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 2VT501 2VT511 - VT513 2VT521 - VT523 2VT531 - VT533 2VT541 - VT546 2VT551 - VT552 2VT556 - VT667 2VT731 - VT735 1VV001 2VW701 - VW721 2VW851 -- B. Spares Affected None.
2. CONCURRENT REQUIREMENTS None.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 9 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
3. COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements Bulletin 767-53A0301 RB. The Airworthiness Directive will make the compliance tasks and times given in the Requirements Bulletin 767-53A0301 RB mandatory.
Group 1:
Accomplish the required action(s), based on the applicable conditions in Table(s) 1 and 2, in accordance with Accomplishment Instructions.
Group 2:
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 CONDITION or OPTION.
Table 1: Inspection of the Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later) ActionCondition -Within 3,000 Flight Cycles or 24 months after the Original Issue date of Requirements Bulletin 767- 53A0301 RB whichever occurs first.
Before 20,000 Total Flight Cycles.
OPTION 1 ACTION 1:
Do an External and Internal Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin and Bear Strap area for any crack.(a) All Airplanes OPTION 1 ACTION 2:
Do an Open Hole High Frequency Eddy Current (HFEC) Inspection at the Forward Entry Door Cutout Aft lower corner fastener hole locations for any crack.(a) OPTION 2 Do an External Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin area for any crack.(a) -Before further flight.Do the repair in accordance to SRM 53-10-01 Repair 1.
CONDITION 1:
ANY CRACK FOUND
AND IS WITHIN REPAIR LIMITS.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 10 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
Table 1: Inspection of the Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later) ActionCondition -Before further flight.Contact The Boeing Company for repair instructions and do the repair.
CONDITION 2:
ANY CRACK FOUND
THAT EXCEEDS THE REPAIR LIMITS.
6,000 Flight Cycles.
-OPTION 1 ACTION 1:
Repeat the External and Internal Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin and Bear Strap area for any crack.(b) CONDITION 3:
NO CRACK FOUND AS
A RESULT OF OPTION 1 INSPECTION.
(c) -OPTION 1 ACTION 2:
Repeat the Open Hole HFEC Inspection at the Forward Entry Door Cutout Aft lower corner fastener hole locations for any crack.(b)
(d)Within 6,000 Flight Cycles after the most recent OPTION 1 inspection was done.
OPTION 2 Repeat the External Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin area for any crack.(b)
(d)Within 1,500 Flight Cycles after the most recent OPTION 2 inspection was done.
OPTION 1 ACTION 1:
Repeat the External and Internal Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin and Bear Strap area for any crack.(b) CONDITION 4:
NO CRACK FOUND AS
A RESULT OF OPTION 2 INSPECTION.
Within 1,500 Flight Cycles after the most recent OPTION 2 inspection was done.
OPTION 1 ACTION 2:
Repeat the Open Hole HFEC Inspection at the Forward Entry Door Cutout Aft lower corner fastener hole locations for any crack.(b) 1,500 Flight Cycles. (c) -OPTION 2 Repeat the External Detailed Inspection at the Forward Entry Door Cutout Aft lower corner Fuselage Skin area for any crack.(b) Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 11 of 44 REQUIREMENTS BULLETIN 767-53A0301
ALERTALERT
Table 1: Inspection of the Forward Entry Door Cutout Aft Lower Corner Fuselage Skin and Bear Strap Repeat Interval (Not to Exceed) Compliance Time (Whichever Occurs Later) ActionCondition
(a) It is not required to do the inspections in accordance with Requirements Bulletin 767-53A0301 RB in areas where a repair covers the affected inspection area and meets any of the following conditions:
1. Repair is accomplished in accordance with 767-200 SRM 53-10-01 Repair 1, 767-300 SRM 53- 10-01 Repair 1, 767-300F SRM 53-10-01 Repair 1 or 767-400 SRM 53-10-01 Repair 1.
2. The repair was approved by the Boeing Organization Designation Authorization (ODA) via an FAA Form 8100-9 which contains a repeat inspection program for the subject area.
(b) It is not required to do the inspections in accordance with Requirements Bulletin 767-53A0301 RB in areas where a repair covers the affected inspection area and meets any of the following conditions:
1. The repair is the corrective action to the crack condition identified in Requirements Bulletin 767- 53A0301 RB installed after the Original Issue date of Requirements Bulletin 767-53A0301 RB
2. The repair was approved by the Boeing Organization Designation Authorization (ODA) via an FAA Form 8100-9 which contains a repeat inspection program for the subject area.
(c) After the accomplishment of this OPTION, it is acceptable to change the repeat action from this OPTION to any other OPTION under this CONDITION. Operators must comply with the compliance time given for the chosen OPTION under this CONDITION.
(d) Refer to the applicable CONDITION for further ACTIONS.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: April 21, 2021 767-53A0301 RBRevision 2: May 24, 2023 12 of 44 REQUIREMENTS BULLETIN 767-53A0301