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Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION Number: 757-25-0315 Original Issue: February 22, 2019 Revision 2: March 17, 2021 ATA System: 2523 SUBJECT: EQUIPMENT/FURNISHINGS - Passenger Compartment - Passenger Service Unit Lanyard Assemblies Installation Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.
9E991ECCN:
Copyright © 2019 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Unpublished Work.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: February 22, 2019 757-25-0315Revision 2: March 17, 2021 1 of 96
2.0
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 2 of 96 BOEING SERVICE BULLETIN 757-25-0315
BLANK PAGE
Table of Contents
Revision Transmittal Sheet5
Summary9
1. PLANNING INFORMATION13
A. Effectivity13
1. Airplanes13
2. Spares Affected17
B. Concurrent Requirements17
C. Reason17
D. Description18
E. Compliance20
F. Approval23
G. Manpower23
H. Weight and Balance Changes26
I. Electrical Load Data28
J. References28
1. Existing Data:28
2. Data Supplied with this Service Bulletin:29
3. Installation Drawings Used in the Preparation of this Service Bulletin:29
K. Publications Affected29
L. Interchangeability and Intermixability of Parts29
M. Software Accomplishment Summary29
2. MATERIAL INFORMATION31
A. Material - Price and Availability31
B. Industry Support Information33
C. Parts Necessary for Each Airplane33
1. Kits/Parts33
2. Parts and Materials Supplied by the Operator36
3. Parts Modified and Reidentified36
4. Parts Removed and Not Replaced37
D. Parts Necessary to Change Spares37
E. Special Tooling - Price and Availability38
F. Special Tooling Necessary to do this Service Bulletin38
3. ACCOMPLISHMENT INSTRUCTIONS39
A. GENERAL INFORMATION39
B. WORK INSTRUCTIONS41
FIGURE 1: PASSENGER SERVICE UNIT PANEL, LANYARD ASSEMBLIES - INSTALLATION [Group 1-3,
5, 7]46
FIGURE 2: LIFE VEST PANEL, LANYARD ASSEMBLIES - INSTALLATION [Group 2, 5, 7]51
FIGURE 3: VIDEO PANEL, LANYARD ASSEMBLIES - INSTALLATION [Group 3]57
FIGURE 4: PASSENGER SERVICE UNIT PANEL, LANYARD ASSEMBLIES - INSTALLATION [Group 4,
6]63
APPENDIX A: PASSENGER SERVICE UNIT PANEL ASSEMBLY - REIDENTIFICATION [Group 1-3, 5, 7]
.69
APPENDIX B: LIFE VEST PANEL ASSEMBLY - REIDENTIFICATION [Group 2]82
APPENDIX C: VIDEO PANEL ASSEMBLY - REIDENTIFICATION [Group 3]83
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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APPENDIX D: PASSENGER SERVICE UNIT PANEL ASSEMBLY - REIDENTIFICATION [Group 4, 6] . 84
APPENDIX E: PART DEMAND INTENT95
APPENDIX F: LIFE VEST PANEL ASSEMBLY - REIDENTIFICATION [Group 5, 7]96
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 4 of 96 BOEING SERVICE BULLETIN 757-25-0315
Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION Revision Transmittal SheetNumber: 757-25-0315Original Issue: February 22, 2019 Revision 2: March 17, 2021 ATA System: 2523 SUBJECT: EQUIPMENT/FURNISHINGS - Passenger Compartment - Passenger Service Unit Lanyard Assemblies Installation This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION RC: Start Federal Aviation Administration (FAA) Notice of Proposed Rule Making 2020-01101-T, is related to Requirements Bulletin 757-25-0315 RB.
Airplane variable numbers NB324, NB326, NB451, and NC071 were added to new Group 6 of this bulletin effectivity.
Airplane variable number NB295 was added to new Group 7 of this bulletin effectivity.
Effects of this Revision on airplanes on which Revision 1 of Requirements Bulletin 757-25-0315 RB was previously done:
ActionConditionGroup No further action required provided the airplane configuration remains unchanged.
Airplanes equipped with PSU panels.
Group 1, Configuration 3; Group 4, Configuration 4 No further action required provided the airplane configuration remains unchanged.
Airplanes equipped with PSU panels and life vest panels.
Group 2, 5, Configuration 3 No further action required provided the airplane configuration remains unchanged.
Airplanes equipped with PSU panels and video panels.
Group 3, Configuration 3 RC: End
REASON FOR REVISION RC: Start This revision is sent to:
- add new airplanes to new groups that have been modified to Combi configuration and Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 5 of 96
- add PSU panel assembly part numbers to support the added Combi effectivities.
These sections were changed:
RC: End
- In Summary Action, added new groups and configurations applicability.
- In Summary Compliance, added NPRM information.
- In Summary Illustration, added new groups and configurations applicability.
RC: Start
- In Airplanes, added airplanes and added new groups and configurations.
RC: End
- In 1.C., Reason, added Revision 2 information.
- In 1.D., Description, added new groups and configurations applicability and Revision 2 information.
RC: Start
- In Compliance, added NPRM information, changed information, added Table 7 and 8, and added new groups and configurations applicability.
RC: End
- In 1.G., Manpower, added new groups and configurations applicability.
- In 1.H., Weight and Balance Changes, added new groups applicability.
- In 1.J., References, added NPRM information.
- In 2.A., Material - Price and Availability, changed information and added new groups applicability.
- In 2.C.1., Kits/Parts, added new groups applicability.
- In 2.C.2., Parts and Materials Supplied by the Operator, changed footnote and added new groups applicability.
RC: Start
- In Work Instructions, Actions Required for Compliance, added new groups and configurations applicability.
RC: End
- In 3.B., Work Instructions, Procedures, added new groups applicability.
- In Figure 1, added new group applicability.
- In Figure 2, added new group applicability.
- In Figure 4, added new group applicability.
- In Appendix A, added new group applicability.
- In Appendix D, added part numbers and added new group applicability.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 6 of 96 BOEING SERVICE BULLETIN 757-25-0315
- In Appendix F, added new group applicability.
RC: Start Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity and format changes, to show the location of all content changes.
Pages with no vertical lines have no changes.
RC: End
REVISION HISTORY Requirement BulletinRequirement BulletinService BulletinService Bulletin 757-25-0315 RB757-25-0315 RB757-25-0315757-25-0315 Issue DateIssue Date February 22, 2019Original Issue:February 22, 2019Original Issue:
May 20, 2020Revision 1:May 20, 2020Revision 1:
March 17, 2021Revision 2:March 17, 2021Revision 2:
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 7 of 96 BOEING SERVICE BULLETIN 757-25-0315
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 22, 2019 757-25-0315Revision 2: March 17, 2021 8 of 96 BOEING SERVICE BULLETIN 757-25-0315
BLANK PAGE
Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION SummaryNumber: 757-25-0315Original Issue: February 22, 2019 Revision 2: March 17, 2021 ATA System: 2523 SUBJECT: EQUIPMENT/FURNISHINGS - Passenger Compartment - Passenger Service Unit Lanyard Assemblies Installation BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS DOCUMENT IMMEDIATELY. 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.
CONCURRENT REQUIREMENTS None.
BACKGROUND This service bulletin gives instructions to add a secondary method of retention to each Passenger Service Unit (PSU) panel, life vest panel and video panel, to prevent them from becoming detached during a situation that exceeds emergency load requirements. If this service bulletin is not done, the PSU panels, life vest panels and video panels may become detached when emergency load requirements are exceeded and could result in injury to passengers and could impede passenger and crew egress during evacuation.
In four survivable 737 hull loss accident and one 757 runway overrun accident in which the landing condition loads were possibly more than the design loads, PSU panels and life vest panels became detached from supporting structure in the airplane. The design of these PSU panels, life vest panels and video panels meet the applicable emergency load requirements of Federal Aviation Regulation (FAR) 25.561. However, to enhance the safety of the airplane, Boeing has changed the design to add a secondary retention device for the PSU panels (the rigid plastic (Ultem) and aluminum types), life vest panels to prevent detachment and falling lower than a specific height in the passenger compartment during a survivable hull loss accident. Video panels are also included in the design change. This service bulletin changes the PSU panels, life vest panels and video panels, to install additional lanyard assemblies.
This service bulletin gives instructions to install lanyard assemblies on the PSU panels, life vest panels and video panels, as applicable. The added lanyard assemblies give a secondary method of retention during survivable hull loss emergency landings and decrease the risk of injury to passengers and evacuation hindrance.
Boeing Fleet Team Digest 757 FTD 25-18001 is related to this service bulletin.
Boeing Service Related Problems (SRP) 757-SRP-25-0391 and 757-SRP-25-0409 are related to this service bulletin.
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This table is provided to operators for planning purposes only. Refer to the applicable sections for more information.
ReferenceAffectedPlanning Data Paragraph 1.A.2., Spares AffectedYesSpares Affected Refer to Requirements Bulletin 757-25-0315 RBYesAD Related Paragraph 1.H., Weight and Balance ChangesYesWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Paragraph 1.K., Publications AffectedYesPublications Affected Paragraph 1.K., Publications AffectedNoAirplane Flight Operations Affected (Flight Crew Operations Manual and/or FAA Approved Airplane Flight Manual) Paragraph 2.C.1., Kits/PartsYesKits/Parts Required Paragraph 2.C.2., Parts and Materials Supplied by the Operator YesOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION (PRR 54530-336R) Group 1, 4, Configuration 1; Group 4, Configuration 2; Group 6:
Install additional lanyard assemblies on each PSU panel.
Group 1, Configuration 2-3; Group 2-4, Configuration 3; Group 4, Configuration 4; Group 5, Configuration 3:
No further action required provided the airplane configuration remains unchanged.
Group 2, 5, Configuration 1; Group 7:
Install additional lanyard assemblies on each PSU panel and each life vest panel.
Group 2, 5, Configuration 2:
Install additional lanyard assemblies on each life vest panel.
Group 3, Configuration 1:
Install additional lanyard assemblies on each PSU panel and each video panel.
Group 3, Configuration 2:
Install additional lanyard assemblies on each video panel.
EFFECTIVITY 757-200/200CB/300 Airplane(s). Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplane(s).
Refer to Paragraph 1.A.2., Spares Affected, for the list of affected components.
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COMPLIANCE Federal Aviation Administration (FAA) Notice of Proposed Rule Making 2020-01101-T, is related to Requirements Bulletin 757-25-0315 RB.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin.
MANPOWER Refer to Paragraph 1.G., Manpower.
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
Refer to Paragraph 2.A., Material - Price and Availability.
Operators are encouraged to complete the survey provided in APPENDIX E of this service bulletin to help Boeing predict the quantity and timing of the Boeing Supplied Kits/Parts.
Export Controlled ECCN: 9E991 Copyright © Unpublished Work - See page 1 for details.
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BOEING SERVICE BULLETIN 757-25-0315 GROUP 1, 4, CONFIGURATION 1; GROUP 4, CONFIGURATION2; GROUP 6:
INSTALL ADDITIONAL LANYARD ASSEMBLIES ON EACH PSU PANEL.
GROUP 1, CONFIGURATION 2-3; GROUP 2-4, CONFIGURATION 3; GROUP 4, CONFIGURATION4; GROUP 5, CONFIGURATION 3:
NO FURTHER ACTION REQUIRED PROVIDED THE AIRPLANE CONFIGURATION REMAINS UNCHANGED.
GROUP 2, 5, CONFIGURATION 1; GROUP 7
NSTALL ADDITIONAL LANYARD ASSEMBLIES ON EACH PSU PANEL AND EACH LIFE VEST PANEL GROUP 2, 5, CONFIGURATION 2:
INSTALL ÄDDITIONAL LANYARD ASSEMBLIES ON EACH LIFE VEST PANEL.
GROUP 3, CONFIGURATION 1:
INSTALL ADDITIONAL LANYARD ASSEMBLIES ON EACH PSU PANEL AND EACH VIDEO PANEL.
GROUP 3, CONFIGURATION 2: INSTALL ADDITIONAL LANYARD ASSEMBLIES ON EACH VIDEO PANEL. 2840089 Original Issue: February 22, 2019 Revision 2: March 17, 2021 Export Controlled ECCN: 9E991 757-25-0315 Copyright © Unpublished Work - See page 1 for details. 12 of 96