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Commercial Airplanes 777 Service Bulletin
SPECIAL ATTENTION Number: 777-25-0507 Original Issue: June 30, 2011 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door-Mounted Escape Slide Pack - Change to Escape Slide/Raft to Prevent Corrosion of Packboard Release Mechanism 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BOEING PROPRIETARY, CONFIDENTIAL, AND/OR TRADE SECRET Copyright © 2011 The Boeing Company Unpublished Work - All Rights Reserved Boeing claims copyright in each page of this document only to the extent that the page contains copyrightable subject matter.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, KC-10, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, Poseidon 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.
BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
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5.0
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Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected ........................................ 1 3 B. Concurrent Requirements ...................................... 1 3 C. Reason ................................................ 1 3 D. Description .............................................. 1 4 E. Compliance .............................................. 1 5 F. Approval ............................................... 1 5 G. Manpower .............................................. 1 5 H. Weight and Balance Changes .................................... 1 6 I. Electrical Load Data ......................................... 1 6 J. References .............................................. 1 6
1. Existing Data .......................................... 1 6
2. Data supplied with this Service Bulletin ............................ 1 6
3. Installation Drawings Used in the Preparation of this Service Bulletin ............ 1 7 K. Publications Affected ........................................ 1 7 L. Interchangeability and Intermixability of Parts ........................... 1 7
2. MATERIAL INFORMATION ........................................ 1 9 A. Material - Price and Availability ................................... 1 9 B. Industry Support Information .................................... 1 9 C. Parts Necessary For Each Airplane ................................. 1 9
1. Kits/Parts ............................................ 1 9
2. Parts and Materials Supplied by the Operator ........................ 1 9
3. Parts Modified and Reidentified ................................ 1 9
4. Parts Removed and Not Replaced .............................. 1 9 D. Parts Necessary to Change Spares ................................. 1 9 E. Special Tooling - Price and Availability ............................... 1 9 F. Special Tooling Necessary to do this Service Bulletin ....................... 1 9
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 2 1 A. GENERAL INFORMATION ..................................... 2 1 B. WORK INSTRUCTIONS ....................................... 2 2
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Commercial Airplanes 777 Service Bulletin
SPECIAL ATTENTION SummaryNumber: 777-25-0507Original Issue: June 30, 2011 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door-Mounted Escape Slide Pack - Change to Escape Slide/Raft to Prevent Corrosion of Packboard Release Mechanism BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
CONCURRENT REQUIREMENTS The service bulletin(s) listed below must be done before or at the same time as this service bulletin:
DescriptionService BulletinCompany Inspect the housing assembly to determine if it is unsealed and replace the assembly with a new assembly if necessary.
Air Cruisers Company SB 777-107-25-30, Original Issue Air Cruisers Company
BACKGROUND This service bulletin describes modification to door mounted escape slide/rafts. Modification is done in accordance with Air Cruisers Company SB 777-107-25-30 to packboard release mechanism to prevent corrosion. If you do not do this service bulletin, escape slide/rafts may not deploy when required and may prohibit doors from opening in the armed mode.
Three 777 operators have reported the detection of corrosion at first overhaul of main deck door mounted escape slide/raft packboard release mechanisms. Two of the operators have reported incidents at the time of first deployment where the escape slide/raft did not release from the door and prevented door opening in the armed mode. The third operator reported evidence of corrosion on 25 out of 270 escape slide/rafts overhauled during the last 3 years.
Investigation revealed several packboard release mechanism components exhibited in-service galvanic corrosion.
The cause was due to non-isolation of dissimilar metals, use of galvanic corrosion susceptible metals, and finishes that are not effective in protecting from galvanic corrosion.
Boeing Service Related Problem (SRP) 777-SRP-25-0293 is related to this service bulletin. This SRP is described in Fleet Team Digest Article 777 FTD 25-10002.
ACTION (PRR 62777-75S) Airplanes are divided into groups because of difference in number of entry doors or difference in entry door numbers.
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Original Issue: June 30, 2011 777-25-0507 5 of 22
Group 1:
Remove escape slide/rafts at passenger/crew entry doors 1, 2, 3, and 4, left and right. Modify escape slide/rafts in accordance with Air Cruisers Company SB 777-107-25-30. Reinstall escape slide/rafts.
Group 2:
Remove escape slide/rafts at passenger/crew entry doors 1, 2, 4, and 5, left and right. Modify escape slide/rafts in accordance with Air Cruisers Company SB 777-107-25-30. Reinstall escape slide/rafts.
Group 3:
Remove escape slide/rafts at crew entry doors 1 left and right. Modify escape slide/rafts in accordance with Air Cruisers Company SB 777-107-25-30. Reinstall escape slide/rafts.
EFFECTIVITY Model 777-200, 777-200LR, 777-300, 777-300ER, and 777F airplanes. Refer to Paragraph 1.A., Effectivity 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 changes 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.
MANPOWER Elapsed Hours Total Task Hours Airplanes
8.00 (a)16.00 (a)Group 1 and 2 (8 escape slide/rafts)
2.00 (a)4.00 (a)Group 3 (2 escape slide/rafts)
(a) Does not include time required to modify escape slide/rafts in accordance with Air Cruisers Company SB 777-107-25-30.
MATERIAL INFORMATION Refer to Air Cruisers Company SB 777-107-25-30.
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Original Issue: June 30, 2011 777-25-0507 6 of 22 BOEING SERVICE BULLETIN 777-25-0507
BOEING SERVICE BULLETIN 777-25-0507
MAIN ENTRY DOORS
ALL LOCATIONS GROUP 1-200 SHOWN, DOORS 1, 2, 3, 4, LEFT AND RIGHT GROUP 2 -300 SIMILAR, DOORS 1. 2, 4, 5, LEFT AND RIGHT GROUP 3 -F SIMILAR, DOORS 1 LEFT AND RIGHT
MAIN ENTRY DOOR (TYPICAL, ALL LOCATIONS)
REWORK THE SLIDE/RAFTS IN
ACCORDANCE WITH AIR
CRUISERS SERVICE
BULLETIN TO PREVENT
PACKBOARD RELEASE
MECHANISM CORROSION 2018776 Original Issue: June 30, 2011 777-25-0507
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Commercial Airplanes 777 Service Bulletin
SPECIAL ATTENTION Number: 777-25-0507 Original Issue: June 30, 2011 ATA System: 2566 SUBJECT: EQUIPMENT/FURNISHINGS - Emergency - Door-Mounted Escape Slide Pack - Change to Escape Slide/Raft to Prevent Corrosion of Packboard Release Mechanism BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index Document D624W001 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
This service bulletin is for the airplane(s) shown below. An equivalent change is on subsequent production airplanes. Refer to PRR 62777-75S for data about this change.
DESCRIPTIONCONFIGURATIONGROUP 777-200, 777-200LR Airplanes-1 777-300, 777-300ER Airplanes-2 777F Airplanes-3 Airplane Models:
777-200, 777-200LR, 777-300, 777-300ER, 777F GroupVariable Number 1WA001 - WA017 1WA076 - WA079 1WA086 - WA093 1WA101 - WA104 1WA116 - WA119
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GroupVariable Number 1WA131 - WA137 1WA171 - WA175 1WA196 - WA198 1WA206 - WA212 1WA221 - WA223 1WA231 - WA232 1WA241 - WA250 1WA261 - WA266 1WA281 - WA283 1WA301 - WA304 1WB001 - WB021 1WB031 - WB046 1WB051 - WB088 1WB101 - WB106 1WB121 - WB125 1WB131 - WB148 1WB151 - WB155 1WB161 - WB177 1WB181 - WB194 1WB201 - WB215 1WB231 - WB247 1WB271 - WB273 1WB276 - WB286 1WB291 - WB302 1WB306 - WB307 1WB311 - WB337 1WB341 - WB342 1WB366 - WB368 1WB371 - WB388 1WB406 1WB411 - WB413 1WB416 - WB439 1WB446 - WB453
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GroupVariable Number 1WB476 1WB481 - WB484 2WB501 - WB512 2WB531 - WB537 2WB551 - WB554 2WB591 - WB597 2WB601 - WB606 2WB611 - WB622 2WB631 - WB638 2WB646 - WB649 1WC051 - WC073 1WC101 - WC104 1WC111 - WC120 1WC221 - WC224 1WC241 - WC243 1WC281 - WC290 1WC301 - WC308 1WC361 - WC364 1WC371 - WC374 1WC381 - WC395 1WC441 1WC446 - WC449 1WC456 - WC459 1WC486 - WC493 1WC506 - WC508 1WC521 - WC522 1WC531 - WC536 1WC546 - WC548 1WC556 1WC566 - WC567 1WC571 - WC574 1WC581 1WD001 - WD002
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GroupVariable Number 1WD011 - WD018 1WD031 - WD036 1WD046 - WD055 1WD066 - WD075 1WD081 - WD088 1WD091 1WD096 1WD101 - WD103 2WD501 - WD513 2WD521 - WD541 2WD546 - WD554 2WD561 - WD573 2WD581 - WD599 2WD606 - WD609 2WD621 - WD632 2WD651 - WD665 2WD671 - WD676 2WD691 - WD709 2WD741 - WD752 2WD761 - WD771 2WD786 - WD788 2WD796 - WD813 2WD826 - WD837 2WD846 - WD861 2WD871 - WD883 2WD911 - WD915 2WD921 - WD922 2WD936 - WD939 2WD946 - WD951 2WD966 - WD970 2WD981 - WD982 2WD986 - WD987 2WD996
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