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Commercial Airplanes 767 Service Bulletin

SPECIAL ATTENTION Number: 767-25-0548 Original Issue: November 05, 2014 Revision 1: April 23, 2015 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Door - Mounted Escape System - Slide Inflation Valve

- Rework 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:

BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2014 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Unpublished Work.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: November 05, 2014 767-25-0548Revision 1: April 23, 2015 1 of 28

2.0

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 2 of 28 BOEING SERVICE BULLETIN 767-25-0548

BLANK PAGE

Table of Contents

Revision Transmittal Sheet5

Summary7

1. PLANNING INFORMATION11

A. Effectivity11

1. Airplanes11

2. Spares Affected17

B. Concurrent Requirements17

C. Reason17

D. Description17

E. Compliance18

F. Approval18

G. Manpower18

H. Weight and Balance Changes19

I. Electrical Load Data19

J. References19

1. Existing Data:19

2. Data Supplied with this Service Bulletin:19

3. Installation Drawings Used in the Preparation of this Service Bulletin:19

K. Publications Affected20

L. Interchangeability and Intermixability of Parts20

M. Software Accomplishment Summary20

2. MATERIAL INFORMATION21

A. Material - Price and Availability21

B. Industry Support Information21

C. Parts Necessary for Each Airplane21

1. Kits/Parts21

2. Parts and Materials Supplied by the Operator21

3. Parts Modified and Reidentified21

4. Parts Removed and Not Replaced21

D. Parts Necessary to Change Spares21

E. Special Tooling - Price and Availability21

F. Special Tooling Necessary to do this Service Bulletin21

3. ACCOMPLISHMENT INSTRUCTIONS23

A. GENERAL INFORMATION23

B. WORK INSTRUCTIONS24

FIGURE 1: FORWARD AND AFT ENTRY/SERVICE DOORS MODIFICATION25

FIGURE 2: MID ENTRY/SERVICE DOORS MODIFICATION27

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 3 of 28 BOEING SERVICE BULLETIN 767-25-0548

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 4 of 28 BOEING SERVICE BULLETIN 767-25-0548

BLANK PAGE

Commercial Airplanes 767 Service Bulletin

SPECIAL ATTENTION Revision Transmittal SheetNumber: 767-25-0548Original Issue: November 05, 2014 Revision 1: April 23, 2015 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Door - Mounted Escape System - Slide Inflation Valve

- Rework This revision includes all pages of the service bulletin.

COMPLIANCE INFORMATION RELATED TO THIS REVISION Airplane VT033 was added to Group 1 of this service bulletin effectivity.

Effects of this Revision on airplanes on which Original Issue was previously done:

None.

REASON FOR REVISION This revision is sent to add airplane VT033 to this service bulletin effectivity.

These sections were changed:

1. In Paragraph 1.A.1., Airplanes, added airplane to Group 1.

2. In Paragraph 1.C., Reason, added paragraph.

3. In Paragraph 1.D., Description, added revision paragraph.

4. In Paragraph 1.J.1., Existing Data, added references.

5. In Paragraph 3.A., General Information, added note.

6. In Paragraph 3.B., Work Instructions, changed steps.

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.

REVISION HISTORY November 05, 2014Original Issue:

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 5 of 28

April 23, 2015Revision 1:

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 6 of 28 BOEING SERVICE BULLETIN 767-25-0548

Commercial Airplanes 767 Service Bulletin

SPECIAL ATTENTION SummaryNumber: 767-25-0548Original Issue: November 05, 2014 Revision 1: April 23, 2015 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Door - Mounted Escape System - Slide Inflation Valve

- Rework BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.

CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.

BACKGROUND Accomplishment of this service bulletin will ensure that the escape slide packs mounted on the Forward, Mid and Aft entry and service doors do not experience an un-commanded deployment of the escape slide. If this service bulletin is not accomplished, un-commanded deployment of the slide during normal airplane maintenance or operation could result in injury to passengers and crew, damage to equipment, and the slide could not be used in an emergency evacuation.

Two incidents of uncommanded escape slide inflation have been reported. In both cases, out of tolerance trigger mechanism components (sector and sear) were found in the regulator valves which produced insufficient trigger engagement and reduced pull force values.

Accomplishment of this service bulletin will modify the regulator valve by replacing the existing trigger mechanism sector and sear.

Boeing Service Related Problem (SRP) 767-25-0328 is related to this service bulletin.

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 Paragraph 1.E., Compliance and Paragraph

1.F., Approval YesAD Related Paragraph 1.H., Weight and Balance ChangesNoWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Paragraph 1.K., Publications AffectedYesPublications Affected Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 7 of 28

ReferenceAffectedPlanning Data 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 Remove escape slide packs located at the Forward and Aft Entry and Service Doors. Modify regulator valve in accordance with UTC Aerospace Systems Service Bulletin 130104-25-432 or 4A3939-25-434. Reinstall escape slide packs.

On airplanes equipped with Mid Entry and Service Doors, remove escape slide packs and modify regulator valve in accordance with UTC Aerospace Systems Service Bulletin 130104-25-432 or 4A3939-25-434. Reinstall escape slide packs.

EFFECTIVITY 767-200, 767-300 and 767-400ER Airplanes. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplanes.

COMPLIANCE The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.

Boeing recommends that the change given in this service bulletin be done within 42 months after the original issue date of this service bulletin.

INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes given in this service bulletin.

Refer to UTC Aerospace Systems Service Bulletins 130104-25-432, 4A3939-25-434.

MANPOWER Refer to Paragraph 1.G., Manpower.

MATERIAL INFORMATION Operator Supplied Parts/Materials.

Refer to Paragraph 2.A., Material - Price and Availability.

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 8 of 28 BOEING SERVICE BULLETIN 767-25-0548

Page 9OCROpen in PDF

BOEING SERVICE BULLETIN 767-25-0548

AFT SERVICE DOOR MID

SERVICE DOOR

FORWARD AFT ENTRY

SERVICE DOOR DOOR.

MID ENTRY DOOR

FORWARD ENTRY DOOR

REGULATOR VALVE

- REPLACE TRIGGER

MECHANISM SECTOR

AND SEAR

INFLATION CYLINDER

ASSEMBLY

TYPICAL 2335199 Original Issue: November 05, 2014 Revision 1: April 23, 2015 Export Controlled ECCN: 9E991 - BOEING 767-25-0548 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 9 of 28

Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 10 of 28 BOEING SERVICE BULLETIN 767-25-0548

BLANK PAGE

Commercial Airplanes 767 Service Bulletin

SPECIAL ATTENTION Number: 767-25-0548 Original Issue: November 05, 2014 Revision 1: April 23, 2015 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Door - Mounted Escape System - Slide Inflation Valve

- Rework BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.

1. PLANNING INFORMATION A. Effectivity

1. Airplanes Refer to Service Bulletin Index D624T001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.

This service bulletin is applicable to 767-200, -300, -400ER Airplanes, line numbers 1 - 1064 & 1068 in 1 Group. The Variable Numbers and Group Information for the applicable airplanes is given below.

DESCRIPTIONCONFIGURATIONGROUP All airplanes that have escape slide regulator valves.-1 Airplane Models:

767-200, 767-300, 767-400ER GroupVariable Number 1VA001 - VA020 1VA301 - VA315 1VA501 - VA510 1VA512 - VA530 1VA701 - VA719 1VA801 - VA810 1VB001 - VB002 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

Original Issue: November 05, 2014 767-25-0548Revision 1: April 23, 2015 11 of 28

GroupVariable Number 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 1VF161 - VF162 1VF171 - VF172 1VF180 - VF184 1VF251 1VK001 - VK016 1VK021 - VK022 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

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