Boeing ASB 767-25A0266: Revision 3, text

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Commercial Airplane Group 767 Service Bulletin Number: 767-25A0266 Date: September 14, 2000 Revision 3: July 03, 2008 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door Mounted Escape System - Escape Slide and Slide/Raft Replacement Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 730-774). 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2000 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter. Boeing also claims copyright in this document as a compilation and/or collective work.

This document includes proprietary information owned by The Boeing Company and/or one or more third parties.

Treatment of the document and the information it contains is governed by contract with Boeing. For more information, contact The Boeing Company, P .O. Box 3707, Seattle, Washington 98124.

Boeing, the Boeing signature, the Boeing symbol, 707, 717, 727, 737, 747, 757, 767, 777, 787, Dreamliner, BBJ, DC-8, DC-9, DC-10, MD-10, MD-11, MD-80, MD-88, MD-90, and the Boeing livery 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.

September 14, 2000 767-25A0266Revision 3: July 03, 2008 1 of 44

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September 14, 2000 767-25A0266Revision 3: July 03, 2008 2 of 44 BOEING SERVICE BULLETIN 767-25A0266

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Table of Contents

Revision Transmittal Sheet5

Summary7

1. PLANNING INFORMATION ........................................ 1 1 A. Effectivity ............................................... 1 1

1. Airplanes ............................................ 1 1

2. Spares Affected ........................................ 1 6 B. Concurrent Requirements ...................................... 1 6 C. Reason ................................................ 1 6 D. Description .............................................. 1 8 E. Compliance .............................................. 1 9 F . Approval ............................................... 1 9 G. Manpower .............................................. 1 9 H. Weight and Balance Changes .................................... 2 1 I. Electrical Load Data ......................................... 2 1 J. References .............................................. 2 1

1. Existing Data: .......................................... 2 1

2. Data supplied with this Service Bulletin: ........................... 2 1

3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 2 2 K. Publications Affected ......................................... 2 2 L. Interchangeability and Intermixability of Parts ........................... 2 2

2. MATERIAL INFORMATION ........................................ 2 3 A. Material - Price and Availability ................................... 2 3 B. Industry Support Information .................................... 2 3 C. Parts Necessary For Each Airplane ................................. 2 3

1. Kits/Parts: ............................................ 2 3

2. Parts and Materials Supplied by the Operator: ........................ 2 4

3. Parts Modified and Reidentified: ................................ 2 5

4. Parts Removed and Not Replaced: .............................. 2 5 D. Parts Necessary to Change Spares ................................. 2 5 E. Special Tooling - Price and Availability ............................... 2 5 F . Special Tooling Necessary to do this Service Bulletin ....................... 2 5

3. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 7 A. GENERAL INFORMATION ..................................... 2 7 B. WORK INSTRUCTIONS ....................................... 2 7 FIGURE 1: FORWARD DOOR - ESCAPE SYSTEM CHANGES ..................... 2 9 FIGURE 2: FORWARD DOOR - COUNTERBALANCE REPLACEMENT ................ 3 4 FIGURE 3: FORWARD DOOR - COUNTERBALANCE MODIFICATION ................. 3 6 FIGURE 4: MID CABIN DOOR - ESCAPE SYSTEM CHANGES ..................... 3 8 Appendix A: EXISTING PARTS ACCOUNTABILITY ............................ 4 4 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

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Commercial Airplane Group 767 Service Bulletin Revision Transmittal SheetNumber: 767-25A0266Date: September 14, 2000 Revision 3: July 03, 2008 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door Mounted Escape System - Escape Slide and Slide/Raft Replacement This Revision includes all pages of the service bulletin.

COMPLIANCE INFORMATION RELATED TO THIS REVISION No more work is necessary on airplanes changed as shown in the original issue, Revision 1 or Revision 2 of this service bulletin.

REASON FOR REVISION This revision is sent to correct the slide-raft assembly part numbers in the materials section.

These sections were changed:

1. Section 2. Material Information., The slide-raft assembly part numbers have been corrected.

2. Figures 1 and 4., The slide-raft assembly part numbers have been corrected in note (a) in the step tables.

Paragraph 1.A., Effectivity, shows changes of airplane operators. Each operator should examine the Effectivity paragraph for changes.

Vertical lines are put on the left edge of each page, except in Paragraph 1.A., Effectivity, to show the location of important changes.

Pages with no vertical lines have no important changes.

REVISION HISTORY September 14, 2000Original Issue:

December 04, 2006Revision 1:

September 27, 2007Revision 2:

July 03, 2008Revision 3:

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September 14, 2000 767-25A0266Revision 3: July 03, 2008 6 of 44 BOEING SERVICE BULLETIN 767-25A0266

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Commercial Airplane Group 767 Service Bulletin SummaryNumber: 767-25A0266Date: September 14, 2000 Revision 3: July 03, 2008 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door Mounted Escape System - Escape Slide and Slide/Raft Replacement

CONCURRENT REQUIREMENTS None

BACKGROUND This service bulletin replaces door mounted escape slides and slide-rafts with slide-rafts that can reach the ground if the airplane is in an extreme tip-back position. At entry and service doors with escape slides installed, this service bulletin also replaces or modifies the counterbalance assemblies so that the doors will operate correctly with the heavier escape slide-rafts installed.

While calculating the new adverse sill heights for the 767-400 evacuation systems, it was determined that the analyses for the highest sill height condition for the exits on the 767-200 and -300 were no longer valid. These earlier analyses showed that the engine nacelle strut would break away in the event of a main landing gear failure on that side of the airplane. Recent tests on the engine nacelle strut shows a higher strength than originally calculated resulting in the highest sill height at the forward and mid-cabin doors occurring with the airplane resting on one main gear, the opposite engine and the aft fuselage. In this condition, the existing escape slides and slide-rafts at the forward and mid-cabin entry and service doors will be too short to reach the ground. The escape slides should be long enough to reach the ground in the most extreme conditions.

The longer escape slide-rafts will allow passengers to safely evacuate the airplane if it is in an extreme tip-back position.

Boeing Service Related Problems (SRP) 767-SRP-25-0137 and 767-SRP-25-0248 are related to this service bulletin.

ACTION (PRR B12901-72S) On Group 1 airplanes, replace the escape slide-rafts at the forward entry and service doors and change the latches.

On Group 2 airplanes, replace the escape slide-rafts at the forward and mid-cabin entry and service doors and change the latches.

On Group 3 airplanes, replace the escape slides at the forward entry and service doors and change the latches.

Replace the counterbalance assemblies.

On Group 4 airplanes, replace the escape slides at the forward entry and service doors and change the latches.

Replace or modify the counterbalance assemblies.

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On Group 5 airplanes, replace the escape slides at the forward and mid-cabin entry and service doors and change the latches. Replace or modify the counterbalance assemblies at the forward entry and service doors.

EFFECTIVITY All 767 passenger airplanes line numbers 1-793.

COMPLIANCE It is possible the Federal Aviation Administration (FAA) will make the compliance tasks and times that are given in this service bulletin mandatory.

Boeing recommends accomplishment of this service bulletin at the end of the slide or slide/raft useful service life.

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

MANPOWER Elapsed TimeTotalAirplanes (Hours)Man-Hours

4.06.0Group 1

4.012.0Group 2

9.515.0Group 3

9.515.0Group 4

13.521.0Group 5

MATERIAL INFORMATION Boeing Supplied Kits/Parts Refer to Paragraph 2.A., Material - Price and Availability.

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BOEING SERVICE BULLETIN 767-25A0266

AIRPLANE IN TIP-BACK POSITION GROUP 1

REPLACE THE ESCAPE SLIDE/RAFTS

AT THE FORWARD ENTRY & SERVICE DOORS GROUP 3

REPLACE THE ESCAPE SLIDES &

COUNTERBALANCE ASSEMBLIES AT THE

FORWARD ENTRY & SERVICE DOORS GROUP 4

REPLACE THE ESCAPE SLIDES &

REPLACE OR MODIFY THE COUNTER-

BALANCE ASSEMBLIES AT THE FORWARD

ENTRY & SERVICE DOORS GROUP 2

REPLACE THE ESCAPE SLIDE/RAFTS

AT THE FORWARD & MID-CABIN ENTRY & SERVICE DOORS GROUP 5

REPLACE THE ESCAPE SLIDE/RAFTS AT THE MID-CABIN ENTRY & SERVICE DOORS.

REPLACE THE ESCAPE SLIDES & REPLACE

OR MODIFY THE COUNTERBALANCE ASSEMBLIES

AT THE FORWARD ENTRY & SERVICE DOORS

FORWARD

SERVICE DOOR

MID-CABIN

ENTRY DOOR FORWARD ENTRY DOOR MID-CABIN V28044

FORWARD ENTRY DOOR

SERVICE DOOR

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1. PLANNING INFORMATION A. Effectivity

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

This service bulletin is for the airplanes shown below. An equivalent change is on subsequent production airplanes. Refer to PRR B12900-179 and PRR B12901-72S for data about this change.

NOTE: This Service Bulletin is for the airplanes identified below. The Effectivity list shown below is complete for airplanes through line number 793. Airplanes after line number 793 are also affected by this service bulletin, and are in Group(s): 1

DESCRIPTIONCONFIGURATIONGROUP 767 passenger airplanes within line numbers 1 -793 that must replace the escape slide-rafts at the forward entry and service doors and change the latches.

-1 767 passenger airplanes within line numbers 1-793 that must replace the escape slide-rafts at the forward and mid-cabin entry and service doors and change the latches.

-2 767 passenger airplanes within line numbers 1-793 that must replace the escape slides at the forward entry and service doors and change the latches. Replace the counterbalance assemblies -3 767 passenger airplanes within line numbers 1-793 that must replace the escape slides at the forward entry and service doors and change the latches. Replace or modify the counterbalance assemblies -4 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

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DESCRIPTIONCONFIGURATIONGROUP 767 passenger airplanes within line numbers 1-793 that must replace the escape slides at the forward and mid-cabin entry and service doors and change the latches. Replace or modify the counterbalance assemblies at the forward entry and service doors.

-5 Airplane Models:

767-200, 767-300 GroupVariable Number 3VA001 - VA020 1VA301 - VA315 3VA501 - VA513 1VA514 - VA530 3VA701 - VA712 1VA713 - VA719 3VA801 - VA810 1VB001 - VB002 1VB051 - VB055 3VB101 - VB121 4VB122 - VB125 1VB201 - VB202 1VB251 - VB253 3VB281 - VB282 1VB283 - VB284 3VB301 - VB302 1VB321 - VB332 1VB371 - VB373 1VB401 1VB441 - VB444 1VE001 - VE002 4VE003 1VE021 - VE023 1VE041 - VE043 1VE061 - VE069 1VE083 - VE086 BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.

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