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Commercial Airplanes 757 Requirements Bulletin ALERT Number: 757-53A0119 RB Original Issue: October 12, 2022 ATA System: 5300 SUBJECT: FUSELAGE - No 1, No. 2 and No 4 Passenger Entry Door, Crew Entry Door and All Cargo Door Skin Cutout Lower Corners - Skin and Bear Strap Inspection 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 © 2022 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Unpublished Work.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: October 12, 2022 757-53A0119 RB 1 of 178
3.0
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 2 of 178 REQUIREMENTS BULLETIN 757-53A0119
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BLANK PAGE
Table of Contents
1 . E F F E C T I V I T Y5
A. Airplanes5
B . S p a r e s A f f e c t e d7
2. CONCURRENT REQUIREMENTS7
3 . C O M P L I A N C E7
4. APPROVAL ................................................ 3 7
5. ACCOMPLISHMENT INSTRUCTIONS .................................. 3 9 A. General Information ......................................... 3 9 B. Work Instructions ........................................... 4 0 FIGURE 1: SKIN AT THE LOWER CORNERS OF THE NO. 1, NO. 2, AND NO. 4 PASSENGER ENTRY DOORS, LEFT SIDE - GENERAL VISUAL INSPECTION [Group 1-3, 5-7] ......... 7 5 FIGURE 2: SKIN AT THE LOWER CORNERS OF THE NO. 1, NO. 2, AND NO. 4 PASSENGER ENTRY DOORS, RIGHT SIDE - GENERAL VISUAL INSPECTION [Group 1-3, 5-7] ........ 7 7 FIGURE 3: SKIN AT THE LOWER CORNERS OF THE NO. 1 AND NO. 2 CARGO DOORS - GENERAL VISUAL INSPECTION ..................................... 7 9 FIGURE 4: SKIN AT THE LOWER CORNERS OF THE NO. 3 CARGO DOOR - GENERAL VISUAL INSPECTION [Group 2, 6] ................................... 8 1 FIGURE 5: SKIN AT THE LOWER CORNERS OF THE CREW ENTRY DOOR - GENERAL VISUAL INSPECTION [Group 4] .................................... 8 3 FIGURE 6: SKIN AT THE LOWER CORNERS OF THE MAIN DECK CARGO DOOR - GENERAL VISUAL INSPECTION [Group 4-6] ................................... 8 5 FIGURE 7: SKIN AT THE LOWER CORNERS OF THE NO. 1 PASSENGER ENTRY DOOR LEFT SIDE - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ........... 8 7 FIGURE 8: SKIN AT THE LOWER CORNERS OF THE NO. 1 PASSENGER ENTRY DOOR RIGHT SIDE
- HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] .......... 9 0 FIGURE 9: SKIN AT THE LOWER CORNERS OF THE NO. 2 PASSENGER ENTRY DOOR LEFT SIDE - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ........... 9 3 FIGURE 10: SKIN AT THE LOWER CORNERS OF THE NO. 2 PASSENGER ENTRY DOOR RIGHT SIDE
- HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] .......... 9 6 FIGURE 11: SKIN AT THE LOWER CORNERS OF THE NO. 4 PASSENGER ENTRY DOOR LEFT SIDE - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ........... 9 9 FIGURE 12: SKIN AT THE LOWER CORNERS OF THE NO. 4 PASSENGER ENTRY DOOR RIGHT SIDE
- HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ......... 1 0 2 FIGURE 13: SKIN AT THE LOWER CORNERS OF THE NO. 1 CARGO DOOR - HIGH FREQUENCY EDDY CURRENT INSPECTION ................................... 1 0 5 FIGURE 14: SKIN AT THE LOWER CORNERS OF THE NO. 2 CARGO DOOR - HIGH FREQUENCY EDDY CURRENT INSPECTION ................................... 1 0 8 FIGURE 15: SKIN AT THE LOWER CORNERS OF THE NO. 3 CARGO DOOR - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 2, 6] ............................ 1 1 1 FIGURE 16: SKIN AT THE LOWER CORNERS OF THE CREW ENTRY DOOR - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 4] ............................. 1 1 4 FIGURE 17: SKIN AT THE LOWER CORNERS OF THE MAIN DECK CARGO DOOR - HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 4-6] ........................ 1 1 7 FIGURE 18: SKIN AND BEAR STRAP AT THE LOWER CORNERS OF THE NO. 1 CARGO DOOR - OPEN HOLE HIGH FREQUENCY EDDY CURRENT INSPECTION ............... 1 2 0 FIGURE 19: SKIN AND BEAR STRAP AT THE LOWER CORNERS OF THE NO. 2 CARGO DOOR - OPEN HOLE HIGH FREQUENCY EDDY CURRENT INSPECTION ............... 1 2 3 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 3 of 178 REQUIREMENTS BULLETIN 757-53A0119
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FIGURE 20: SKIN AND BEAR STRAP AT THE LOWER CORNERS OF THE NO. 3 CARGO DOOR - OPEN HOLE HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 2, 6] ........ 1 2 6 FIGURE 21: SKIN AND BEAR STRAP AT THE LOWER CORNERS OF THE CREW ENTRY DOOR - OPEN HOLE HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 4] .......... 1 2 9 FIGURE 22: SKIN AND BEAR STRAP AT THE LOWER CORNERS OF THE MAIN DECK CARGO DOOR
- OPEN HOLE HIGH FREQUENCY EDDY CURRENT INSPECTION [Group 4-6] .... 1 3 2 FIGURE 23: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 1 PASSENGER ENTRY DOOR LEFT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 3 5 FIGURE 24: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 1 PASSENGER ENTRY DOOR RIGHT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 3 9 FIGURE 25: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 2 PASSENGER ENTRY DOOR LEFT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 4 3 FIGURE 26: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 2 PASSENGER ENTRY DOOR RIGHT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 4 7 FIGURE 27: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 4 PASSENGER ENTRY DOOR LEFT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 5 1 FIGURE 28: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 4 PASSENGER ENTRY DOOR RIGHT SIDE - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 1-3, 5-7] ...... 1 5 5 FIGURE 29: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 1 CARGO DOOR - LOW FREQUENCY EDDY CURRENT INSPECTION ............................... 1 5 9 FIGURE 30: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 2 CARGO DOOR - LOW FREQUENCY EDDY CURRENT INSPECTION ............................... 1 6 3 FIGURE 31: BEAR STRAP AT THE LOWER CORNERS OF THE NO. 3 CARGO DOOR - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 2, 6] ........................ 1 6 7 FIGURE 32: BEAR STRAP AT THE LOWER CORNERS OF THE CREW ENTRY DOOR - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 4] ......................... 1 7 1 FIGURE 33: BEAR STRAP AT THE LOWER CORNERS OF THE MAIN DECK CARGO DOOR - LOW FREQUENCY EDDY CURRENT INSPECTION [Group 4-6] ................ 1 7 5 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 4 of 178 REQUIREMENTS BULLETIN 757-53A0119
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Commercial Airplanes 757 Requirements Bulletin ALERT Number: 757-53A0119 RB Original Issue: October 12, 2022 ATA System: 5300 SUBJECT: FUSELAGE - No 1, No. 2 and No 4 Passenger Entry Door, Crew Entry Door and All Cargo Door Skin Cutout Lower Corners - Skin and Bear Strap Inspection
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 757-200, 757-200CB, 757-200PF, 757-300 Airplane(s), line number(s) 1-1050 in 7 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 are given below.
DESCRIPTIONCONFIGURATIONGROUP 757-200 airplanes with 4 passenger doors each side and 2 cargo doors.
-1 757-200 airplanes with 4 passenger doors each side and 3 cargo doors.
-2 757-200 airplanes with overwing emergency exits.-3 757-200 PF airplanes.-4 757-200 CB airplane.-5 757-200 airplanes that have incorporated STC ST00916WI-D (Special Freighter Conversion).
-6 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 5 of 178
DESCRIPTIONCONFIGURATIONGROUP 757-300 airplanes.-7 Airplane Models:
757-200, 757-200CB, 757-200PF, 757-300 GroupVariable Number 1NA001 - NA028 1NA191 - NA199 6NA201 - NA204 2NA205 6NA206 - NA213 2NA214 6NA215 - NA236 1NA237 - NA239 1NA301 - NA305 2NA341 - NA352 2NA391 - NA399 1NA401 - NA408 1NA441 - NA447 3NA501 - NA586 3NB001 - NB004 1NB021 - NB023 1NB036 - NB041 1NB051 - NB053 1NB061 - NB073 1NB079 1NB131 - NB148 1NB161 - NB162 1NB166 - NB168 1NB201 - NB204 1NB221 - NB228 1NB230 GroupVariable Number 1NB236 1NB239 1NB261 - NB267 1NB291 - NB299 1NB301 - NB302 1NB311 - NB312 1NB321 - NB331 1NB421 - NB438 1NB446 1NB451 - NB454 1NB501 - NB523 1NB561 1NB571 1NB581 - NB583 1NC001 - NC033 1NC041 - NC042 1NC051 - NC052 1NC056 - NC062 1NC066 - NC084 1NC091 - NC094 1NC151 1NC161 4NC901 - NC951 4NC971 - NC974 3ND001 - ND007 3ND011 - ND059 GroupVariable Number 3ND111 - ND113 3ND161 - ND199 3ND201 - ND203 3ND221 - ND225 3ND241 - ND248 3ND301 - ND322 3ND401 3ND891 5ND895 3NE001 - NE008 3NE011 - NE088 3NE091 - NE094 3NE141 - NE150 3NE161 - NE177 3NE201 - NE204 3NE301 - NE302 3NE311 - NE325 1NJ001 - NJ004 1NJ031 - NJ032 1NJ551 - NJ555 7NL001 - NL002 7NL006 - NL017 7NL101 - NL109 7NL141 7NL601 - NL616 3NN001 - NN002 Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 6 of 178 REQUIREMENTS BULLETIN 757-53A0119
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GroupVariable Number 3NN051 - NN052 1NP901 - NP904 4NS601 - NS616 4NT001 - NT009 1NT201 - NT202 1NT231 - NT234 1NT237 - NT240 1NT242 1NT245 - NT248 1NT281 - NT289 1NT341 - NT347 GroupVariable Number 1NT351 - NT360 1NT371 - NT373 1NT375 - NT379 1NT381 - NT386 1NT401 - NT409 1NT411 - NT412 1NT426 - NT427 1NT431 - NT432 1NT436 - NT438 1NT441 - NT442 1NT446 GroupVariable Number 3NT701 - NT769 3NT791 - NT796 3NT861 - NT862 3NT881 - NT885 3NT901 - NT916 3NT971 - NT985 3NU031 - NU038 7NU701 - NU705 7NU721 - NU728 7NU731 - NU732 -- B. Spares Affected None.
2. CONCURRENT REQUIREMENTS None.
3. COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to Requirements Bulletin 757-53A0119 RB. The Airworthiness Directive will make the compliance tasks and times given in Requirements Bulletin 757-53A0119 RB mandatory.
Accomplish the required actions, based on the applicable conditions in Tables 1 through 5, in accordance with Paragraph 3. 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.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 7 of 178 REQUIREMENTS BULLETIN 757-53A0119
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Group 1-3, 5-7:
Table 1: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1, No. 2, and No. 4 Passenger Entry Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition -Within 3,000 flight cycles after the Original Issue date of Requirements Bulletin 757- 53A0119 RB.
Before 30,000 total flight cycles.
Do a General Visual Inspection (GVI) or a maintenance records check for any existing repair at the lower corners of the No. 1, No. 2, and No. 4 passenger entry door skin cutouts.
All airplanes.
-Before further flight.CONDITION 1 (ACTION 1):
Contact The Boeing Company for alternative inspection and corrective action instructions and do the alternative inspections and applicable corrective actions.
CONDITION 1: ANY REPAIR FOUND.
Before further flight.CONDITION 1 (ACTION 2):
Do an external surface High Frequency Eddy Current (HFEC) inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any skin crack in the unrepaired areas.
Before further flight.CONDITION 1 (ACTION 3):
Do an external sub-surface Low Frequency Eddy Current (LFEC) inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack in the unrepaired areas.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 8 of 178 REQUIREMENTS BULLETIN 757-53A0119
ALERTALERT
Group 1-3, 5-7:
Table 1: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1, No. 2, and No. 4 Passenger Entry Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition -Before further flight.CONDITION 1.1 (ACTION 1):
Contact The Boeing Company for repair instructions and do the repair.
CONDITION 1.1: ANY CRACK FOUND.
3,000 flight cycles.-CONDITION 1.1 (ACTION 2):
Repeat the external surface HFEC inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any skin crack. (a) 3,000 flight cycles.-CONDITION 1.1 (ACTION 3):
Repeat the external sub-surface LFEC inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack. (b) 3,000 flight cycles.-CONDITION 1.2 (ACTION 1):
Repeat the external surface HFEC inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any skin crack. (a) CONDITION 1.2: NO CRACK FOUND.
3,000 flight cycles.-CONDITION 1.2 (ACTION 2):
Repeat the external sub-surface LFEC inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack. (b) Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 9 of 178 REQUIREMENTS BULLETIN 757-53A0119
ALERTALERT
Group 1-3, 5-7:
Table 1: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1, No. 2, and No. 4 Passenger Entry Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition -Before further flight.CONDITION 2 (ACTION 1):
Do an external surface HFEC inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No.
4 passenger entry doors for any skin crack.
CONDITION 2: NO REPAIR FOUND.
Before further flight.CONDITION 2 (ACTION 2):
Do an external sub-surface LFEC inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack.
-Before further flight.CONDITION 2.1 (ACTION 1):
Contact The Boeing Company for repair instructions and do the repair.
CONDITION 2.1: ANY CRACK FOUND.
3,000 flight cycles.-CONDITION 2.1 (ACTION 2):
Repeat the external surface HFEC inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any skin crack. (a) 3,000 flight cycles.-CONDITION 2.1 (ACTION 3):
Repeat the external sub-surface LFEC inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack. (b) Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 10 of 178 REQUIREMENTS BULLETIN 757-53A0119
ALERTALERT
Group 1-3, 5-7:
Table 1: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1, No. 2, and No. 4 Passenger Entry Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition 3,000 flight cycles.-CONDITION 2.2 (ACTION 1):
Repeat the external surface HFEC inspection on the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any skin crack. (a) CONDITION 2.2: NO CRACK FOUND.
3,000 flight cycles.-CONDITION 2.2 (ACTION 2):
Repeat the external sub-surface LFEC inspection through the skin around the fastener heads/holes at the door cutout lower corners of the No. 1, No. 2, and No. 4 passenger entry doors for any bear strap crack. (b)
(a) In a repair affected area, it is not required to repeat the external surface HFEC inspection in accordance with Requirements Bulletin 757-53A0119 RB, provided the repair and its approval meet all of the following criteria:
1. The repair is installed after the Original Issue date of Requirements Bulletin 757-53A0119 RB.
2. The repair is approved by the Boeing Organization Designation Authorization (ODA) via a FAA Form 8100-9.
3. The FAA Form 8100-9 approval defines the repair affected area, states the repeat inspection requirements for the repair affected area, and approves the repeat inspection requirements as an alternative method of compliance (AMOC).
Damage Tolerance Inspection instructions specified in approval for existing repairs must continue. Inspections outside of the repair affected area must continue in accordance with this bulletin.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 11 of 178 REQUIREMENTS BULLETIN 757-53A0119
ALERTALERT
Group 1-3, 5-7:
Table 1: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1, No. 2, and No. 4 Passenger Entry Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition
(b) In a repair affected area, it is not required to repeat the sub-surface LFEC inspection in accordance with Requirements Bulletin 757-53A0119 RB, provided the repair and its approval meet all of the following criteria:
1. The repair is installed after the Original Issue date of Requirements Bulletin 757-53A0119 RB.
2. The repair is approved by the Boeing Organization Designation Authorization (ODA) via a FAA Form 8100-9.
3. The FAA Form 8100-9 approval defines the repair affected area, states the repeat inspection requirements for the repair affected area, and approves the repeat inspection requirements as an alternative method of compliance (AMOC).
Damage Tolerance Inspection instructions specified in approval for existing repairs must continue. Inspections outside of the repair affected area must continue in accordance with this bulletin.
Table 2: Inspection of the Skin and Bear Strap at the Lower Corners of the No. 1 and No. 2 Cargo Doors Repeat Interval (Not to Exceed) Boeing Recommended Compliance Time (Whichever Occurs Later) ActionCondition -Within 3,000 flight cycles after the Original Issue date of Requirements Bulletin 757- 53A0119 RB.
Before 30,000 total flight cycles.
Do a General Visual Inspection (GVI) or a maintenance records check for any existing repair at the lower corners of the No. 1 and No. 2 cargo door skin cutouts.
All airplanes.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: October 12, 2022 757-53A0119 RB 12 of 178 REQUIREMENTS BULLETIN 757-53A0119