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Commercial Airplanes 767 Service Bulletin ALERT Number: 767-29A0115 Original Issue: May 22, 2013 ATA System: 2911 5451 SUBJECT: HYDRAULIC POWER - Main Hydraulic Systems - Wire Bundle Inspection and Wire Support Bracket Replacement 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 © 2013 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Unpublished Work.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: May 22, 2013 767-29A0115 1 of 37
4.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 2 of 37 BOEING SERVICE BULLETIN 767-29A0115
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Table of Contents
Summary5
1. PLANNING INFORMATION9
A. Effectivity9
1. Airplanes9
2. Spares Affected ........................................ 1 2 B. Concurrent Requirements ...................................... 1 2 C. Reason ................................................ 1 2 D. Description .............................................. 1 3 E. Compliance .............................................. 1 4 F. Approval ............................................... 1 4 G. Manpower .............................................. 1 4 H. Weight and Balance Changes .................................... 1 5 I. Electrical Load Data ......................................... 1 5 J. References .............................................. 1 5
1. Existing Data: ......................................... 1 5
2. Data Supplied with this Service Bulletin: ........................... 1 5
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 1 6 K. Publications Affected ........................................ 1 6 L. Interchangeability and Intermixability of Parts ........................... 1 6 M. Software Accomplishment Summary ................................ 1 6
2. MATERIAL INFORMATION ........................................ 1 7 A. Material - Price and Availability ................................... 1 7 B. Industry Support Information .................................... 1 7 C. Parts Necessary for Each Airplane ................................. 1 7
1. Kits/Parts ............................................ 1 7
2. Parts and Materials Supplied by the Operator ........................ 1 8
3. Parts Modified and Reidentified ................................ 1 8
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 FIGURE 1: LEFT ENGINE STRUT - WIRE BUNDLE CLAMP REMOVAL ................ 2 5 FIGURE 2: LEFT ENGINE STRUT - WIRE BUNDLES W290, W390, AND W398 - INSPECTION [Group 1-2] ............................................... 2 7 FIGURE 3: LEFT ENGINE STRUT - WIRE BUNDLES W290, W406, W424, AND W440 - INSPECTION [Group 3] ............................................ 2 9 FIGURE 4: LEFT ENGINE STRUT - WIRE SUPPORT BRACKET REMOVAL ............. 3 1 FIGURE 5: LEFT ENGINE STRUT - WIRE SUPPORT BRACKET INSTALLATION .......... 3 3 FIGURE 6: LEFT ENGINE STRUT - WIRE BUNDLE CLAMP INSTALLATION ............. 3 6 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 3 of 37 BOEING SERVICE BULLETIN 767-29A0115
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Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 4 of 37 BOEING SERVICE BULLETIN 767-29A0115
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Commercial Airplanes 767 Service Bulletin ALERT SummaryNumber: 767-29A0115Original Issue: May 22, 2013 ATA System: 2911 5451 SUBJECT: HYDRAULIC POWER - Main Hydraulic Systems - Wire Bundle Inspection and Wire Support Bracket Replacement
THIS BULLETIN 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 SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND This service bulletin provides instructions to inspect the Alternating Current Motor Pump (ACMP) power feeder wire bundle and adjacent wire bundles in the left engine strut for chafing damage and to replace the wire support brackets with improved brackets. Chafing of the ACMP power feeder wire bundle can cause electrical arcing, loss of power to the left ACMP, and/or damage to a hydraulic line, which could cause low hydraulic pressure or the complete loss of the left hydraulic system. If this service bulletin is not done, electrical arcing could result in a possible ignition source for fuel vapor and/or hydraulic fluid, which could result in an uncontained engine strut fire.
Several operators have reported low hydraulic pressure or loss of electrical power to the left ACMP. These failures were caused by a damaged power feeder wire bundle in the outboard aft fairing area of the left engine strut. In most cases, the wire bundle had chafed against the fuse pin washer at the midspar fitting, and evidence of arcing was noted. One operator reported that the wire bundle had chafed against a hydraulic elbow near the fuse pin, which completely severed the wire bundle and created a deep hole in the elbow. Although the hole in the elbow was not deep enough to cause the loss of hydraulic fluid, escape and ignition of hydraulic fluid was possible if the chafing condition had continued.
The new wire support brackets increase the separation between the wire bundles and the fuse pin, which will help prevent the reported chafing conditions. The right engine strut has a different wire bundle routing which is not subject to these chafing conditions.
Boeing Service Bulletin (SB) 767-29A0098 is related to this service bulletin. SB 767-29A0098 installs the new wire support brackets on 767 airplanes with General Electric (GE) CF6-80A or CF6-80C2 engines.
Boeing Service Related Problem (SRP) 767-SRP-29-0090 is related to this service bulletin.
Boeing Fleet Team Digest (FTD) 767 FTD 29-12001 is related to this service bulletin.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 5 of 37
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 AffectedNoSpares Affected Paragraph 1.E., Compliance and Paragraph
1.F., Approval YesAD 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 NoOperator Supplied Parts/Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin NoSpecial Tooling Required ACTION (PRR B12901-107S) Open access to the left engine strut aft fairing area. Remove the wire bundle clamps. Do a detailed inspection of the wire bundles for damage. Repair the wire bundles if necessary. Remove the Engine Driven Pump (EDP) supply shutoff valve. Remove the wire support brackets and install new brackets. Install and do a test of the EDP supply shutoff valve. Install new wire bundle clamps. Close access to the left engine strut aft fairing area.
EFFECTIVITY 767-200/-300 airplanes with Pratt and Whitney engines. Refer to Paragraph 1.A.1., Airplanes, for the list of affected airplanes.
COMPLIANCE Federal Aviation Administration (FAA) Airworthiness Directive AD 2004-16-12 is related to this service bulletin.
Paragraph (b) of AD 2004-16-12 requires the incorporation of Boeing Service Bulletin 767-29-0057, which installs the brackets that are replaced by this service bulletin.
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 inspection and change given in this service bulletin be done within 48 months after the original issue date of this service bulletin.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 6 of 37 BOEING SERVICE BULLETIN 767-29A0115
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INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are not available for the configuration changes, inspection, and/or repair procedures given in this service bulletin.
MANPOWER Elapsed HoursTotal Task HoursAirplanes
7.3512.10All
MATERIAL INFORMATION Boeing Supplied Kits/Parts.
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: May 22, 2013 767-29A0115 7 of 37 BOEING SERVICE BULLETIN 767-29A0115
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BOEING SERVICE BULLETIN 767-29A0115
ALERT ALERT NAC STA
238.65
LEFT STRUT ONLY INSPECT WIRE BUNDLES FOR DAMAGE. REPAIR IF NECESSARY
REMOVE AND REPLACE
WIRE SUPPORT BRACKETS
AND CLAMPS 2198205 Original Issue: May 22, 2013 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished 767-29A0115 Work - See page 1 for details. 8 of 37
Commercial Airplanes 767 Service Bulletin ALERT Number: 767-29A0115 Original Issue: May 22, 2013 ATA System: 2911 5451 SUBJECT: HYDRAULIC POWER - Main Hydraulic Systems - Wire Bundle Inspection and Wire Support Bracket Replacement
THIS BULLETIN 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 SERVICE BULLETIN TO THE NEW OPERATOR. IF APPLICABLE SPARES HAVE BEEN SOLD, SEND THIS SERVICE BULLETIN TO THE NEW OWNER.
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 for the airplane(s) shown below. An equivalent change is on subsequent production airplanes. Refer to PRR B12901-107S for data about this change.
DESCRIPTIONCONFIGURATIONGROUP 767 airplanes with Pratt and Whitney engines, line numbers 1-471.-1 767 airplanes with Pratt and Whitney engines, line numbers 472-561.-2 767 airplanes with Pratt and Whitney engines, line numbers 562-1021.-3 Airplane Models:
767-200, 767-300 GroupVariable Number 1VA001 - VA020 1VA701 - VA719 1VA801 - VA810 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 9 of 37
GroupVariable Number 1VB001 - VB002 1VB201 - VB202 1VB281 - VB284 1VB301 - VB302 1VB371 - VB373 1VE001 - VE003 1VE021 - VE023 1VE041 - VE043 1VE061 - VE069 1VE083 - VE086 1VE171 - VE172 1VF061 - VF062 1VF071 - VF072 1VF091 - VF093 1VF101 - VF102 1VF161 2VF162 1VK001 - VK011 1VK021 - VK022 2VK055 - VK056 1VK161 2VK162 - VK163 3VK164 2VK171 1VL011 3VL806 - VL807 3VL931 - VL932 1VN151 - VN158 1VN163 - VN168 1VN171 - VN173 3VN174 1VN211 - VN212 1VN221 - VN224 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 10 of 37 BOEING SERVICE BULLETIN 767-29A0115
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GroupVariable Number 3VN225 1VN241 - VN243 1VN251 - VN262 2VN263 - VN264 3VN265 - VN276 1VN371 - VN372 1VN376 1VN381 - VN383 2VN384 - VN387 3VN388 1VN491 - VN505 2VN506 - VN513 1VN531 - VN532 1VN536 - VN537 1VN541 - VN542 1VN551 1VN556 - VN557 2VN561 - VN562 1VN631 - VN633 1VN671 - VN672 1VN681 - VN687 2VN688 - VN690 3VN691 2VN931 3VN932 - VN936 3VN966 - VN967 3VN971 - VN972 3VR421 - VR423 3VR471 - VR472 3VS061 3VS066 - VS070 3VS091 - VS104 3VS206 - VS208 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 11 of 37 BOEING SERVICE BULLETIN 767-29A0115
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GroupVariable Number 3VS211 3VS301 - VS303 3VS306 - VS311 3VS426 - VS428 3VS496 - VS497 3VS506 - VS507 3VS821 - VS825 3VS841 - VS844 3VS881 - VS883 3VS896 3VS911 - VS912 3VS916 3VS981 - VS982
2. Spares Affected None.
B. Concurrent Requirements Group 1:
The service bulletin listed below must be done before or at the same time as this service bulletin:
Group 1:
DescriptionService BulletinCompany Changes wire bundle routing and improves wire bundle support in the left and right struts.
767-29-0057, Original Issue, Revision 1, Revision 2, or Revision 3 Boeing Group 2-3:
None.
C. Reason This service bulletin provides instructions to inspect the Alternating Current Motor Pump (ACMP) power feeder wire bundle and adjacent wire bundles in the left engine strut for chafing damage and to install improved wire support brackets. Chafing of the ACMP power feeder wire bundle can cause electrical arcing, loss of power to the left ACMP, and/or damage to a hydraulic line, which could cause low hydraulic pressure or the complete loss of the left hydraulic system. If this service bulletin is not done, electrical arcing could result in a possible ignition source for fuel vapor and/or hydraulic fluid, which could result in an uncontained engine strut fire.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 22, 2013 767-29A0115 12 of 37 BOEING SERVICE BULLETIN 767-29A0115