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Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION Number: 757-52-0093 Original Issue: May 05, 2016 Revision 2: November 14, 2017 ATA System: 5234 SUBJECT: DOORS - No. 1 and 2 Cargo Door - Cargo Door Arm Switch and Relay 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:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2016 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Unpublished Work.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 05, 2016 757-52-0093Revision 2: November 14, 2017 1 of 337
2.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 2 of 337 BOEING SERVICE BULLETIN 757-52-0093
BLANK PAGE
Table of Contents
Revision Transmittal Sheet7
Summary9
1. PLANNING INFORMATION13
A. Effectivity13
1. Airplanes13
2. Spares Affected21
B. Concurrent Requirements21
C. Reason21
D. Description22
E. Compliance24
F. Approval24
G. Manpower25
H. Weight and Balance Changes50
I. Electrical Load Data51
J. References51
1. Existing Data:51
2. Data Supplied with this Service Bulletin:52
3. Installation Drawings Used in the Preparation of this Service Bulletin:52
K. Publications Affected53
L. Interchangeability and Intermixability of Parts53
M. Software Accomplishment Summary53
2. MATERIAL INFORMATION55
A. Material - Price and Availability55
B. Industry Support Information59
C. Parts Necessary for Each Airplane59
1. Kits/Parts59
2. Parts and Materials Supplied by the Operator85
3. Parts Modified and Reidentified86
4. Parts Removed and Not Replaced86
D. Parts Necessary to Change Spares86
E. Special Tooling - Price and Availability86
F. Special Tooling Necessary to do this Service Bulletin86
3. ACCOMPLISHMENT INSTRUCTIONS87
A. GENERAL INFORMATION87
B. WORK INSTRUCTIONS89
FIGURE 1: MAIN ELECTRONICS COMPARTMENT - FLOOR PANELS AND COVERS - REMOVAL. 105 FIGURE 2: MAIN EQUIPMENT CENTER - P65 PANEL - RELAY CUTOUT AND GROUND BLOCK
INSTALLATION [Group 1-8, 15-16, 50]107
FIGURE 3: MAIN EQUIPMENT CENTER - P65 PANEL - RELAY CUTOUT AND GROUND BLOCK
INSTALLATION [Group 9-14, 18-20, 23-26, 28-32, 36-39, 41-42, 44, 46-49]110
FIGURE 4: MAIN EQUIPMENT CENTER - P65 PANEL - RELAY CUTOUT [Group 17, 21-22, 27, 33-35,
40, 43, 45]113
FIGURE 5: MAIN EQUIPMENT CENTER - P65 PANEL - DECAL INSTALLATION [Group 1-8, 15-16, 50]
.115
FIGURE 6: MAIN EQUIPMENT CENTER - P65 PANEL - DECAL INSTALLATION [Group 9-14, 18-20,
23-26, 28-32, 36-39, 41-42, 44, 46-49]117
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 3 of 337 BOEING SERVICE BULLETIN 757-52-0093
FIGURE 7: MAIN EQUIPMENT CENTER - P65 PANEL - DECAL INSTALLATION [Group 17, 21-22, 27,
33-35, 40, 43, 45]119
FIGURE 8: FORWARD CARGO DOOR AREA - P43 PANEL - CARGO DOOR ARM SWITCH CUTOUT
.121
FIGURE 9: FORWARD CARGO DOOR AREA - P43 PANEL - CARGO DOOR CONTROL AND ARM
SWITCH INSTALLATION123
FIGURE 10: FORWARD CARGO COMPARTMENT AND MAIN EQUIPMENT CENTER - WIRE BUNDLES
W0816 AND W4104 - WIRE ROUTING [Group 1]125
FIGURE 11: FORWARD CARGO COMPARTMENT AND MAIN EQUIPMENT CENTER - WIRE BUNDLES
W0816, W4104 AND W4162 - WIRE ROUTING [Group 2-20, 22-50]130
FIGURE 12: FORWARD CARGO COMPARTMENT AND MAIN EQUIPMENT CENTER - WIRE BUNDLES
W0816, W4162 AND W6634 - WIRE ROUTING [Group 21]135
FIGURE 13: P43 PANEL - W0816 WIRE BUNDLE - WIRING CHANGE [Group 1]139
FIGURE 14: P43 PANEL - W0816 WIRE BUNDLE - WIRING CHANGE [Group 2-20, 22-51]141
FIGURE 15: P43 PANEL - W0816 WIRE BUNDLE - WIRING CHANGE [Group 21]143
FIGURE 16: P41 PANEL - W4104 WIRE BUNDLE - WIRING CHANGE [Group 1]145
FIGURE 17: P41 PANEL - W4104 WIRE BUNDLE - WIRING CHANGE [Group 2-20, 22-51]147
FIGURE 18: P65 PANEL - W4162 WIRE BUNDLE - WIRING CHANGE [Group 2-20, 22-51]148
FIGURE 19: P65 PANEL - W4162 WIRE BUNDLE - WIRING CHANGE [Group 21]149
FIGURE 20: P41 PANEL - W6634 WIRE BUNDLE - WIRING CHANGE [Group 21]150
FIGURE 21: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 1]152
FIGURE 22: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 2-8, 15-16, 50]154
FIGURE 23: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 9-14, 17-20, 23-34, 36-39,
41-49, 51]156
FIGURE 24: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 21]158
FIGURE 25: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 22, 35]160
FIGURE 26: P65 PANEL - W0808 WIRE BUNDLE - WIRING CHANGE [Group 40]162
FIGURE 27: AFT CARGO DOOR AREA - P44 PANEL - CARGO DOOR ARM SWITCH CUTOUT . . 164 FIGURE 28: AFT CARGO DOOR AREA - P44 PANEL - CARGO DOOR CONTROL AND ARM SWITCH
INSTALLATION166
FIGURE 29: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016 AND W2632 - WIRE ROUTING
[Group 1]168
FIGURE 30: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2662 AND W4106 - WIRE
ROUTING [Group 2, 50]172
FIGURE 31: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2662 AND W2716 - WIRE
ROUTING [Group 3]176
FIGURE 32: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 4]180
FIGURE 33: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2662 AND W4106 - WIRE
ROUTING [Group 5]184
FIGURE 34: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2662 AND W2716 - WIRE
ROUTING [Group 6-7]189
FIGURE 35: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 8, 15-16]194
FIGURE 36: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2662 AND W2716 - WIRE
ROUTING [Group 9, 28]198
FIGURE 37: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 10-11, 13-14, 17-19, 24-27, 29, 31, 33-34, 36-40, 42-49]202
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 4 of 337 BOEING SERVICE BULLETIN 757-52-0093
FIGURE 38: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 12]206
FIGURE 39: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 20, 32, 41]210
FIGURE 40: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W5910 AND W2660 - WIRE
ROUTING [Group 21]216
FIGURE 41: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 22, 35]220
FIGURE 42: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 23]224
FIGURE 43: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 30]230
FIGURE 44: P44 PANEL - W1016 WIRE BUNDLE - WIRING CHANGE [Group 1]234
FIGURE 45: P44 PANEL - W1016 WIRE BUNDLE - WIRING CHANGE [Group 2, 5, 50]236
FIGURE 46: P44 PANEL - W1016 WIRE BUNDLE - WIRING CHANGE [Group 3, 6-7, 9, 28]238
FIGURE 47: P44 PANEL - W1016 WIRE BUNDLE - WIRING CHANGE [Group 4, 8, 10-20, 22-27, 29-49,
51]240
FIGURE 48: P44 PANEL - W1016 WIRE BUNDLE - WIRING CHANGE [Group 21]242
FIGURE 49: AFT CARGO COMPARTMENT - W2632 WIRE BUNDLE - WIRING CHANGE [Group 1] . 244 FIGURE 50: AFT CARGO COMPARTMENT - W2632 WIRE BUNDLE - WIRING CHANGE [Group 4, 8,
10-20, 22-27, 29-49, 51]246
FIGURE 51: E6 RACK - W2660 WIRE BUNDLE - WIRING CHANGE [Group 21]248
FIGURE 52: E6 RACK - W2662 WIRE BUNDLE - WIRING CHANGE [Group 2, 5, 50]249
FIGURE 53: E6 RACK - W2662 WIRE BUNDLE - WIRING CHANGE [Group 3, 6-7, 9, 28]250
FIGURE 54: E6 RACK - W2662 WIRE BUNDLE - WIRING CHANGE [Group 4, 8, 10-19, 22, 24-27, 29, 31,
33-40, 42-48, 51]251
FIGURE 55: E6 RACK - W2662 WIRE BUNDLE - WIRING CHANGE [Group 20, 23, 32, 41]252
FIGURE 56: E6 RACK - W2662 WIRE BUNDLE - WIRING CHANGE [Group 30, 49]253
FIGURE 57: P42 PANEL - W2716 WIRE BUNDLE - WIRING CHANGE [Group 3, 6-7, 9, 28]254
FIGURE 58: P42 PANEL - W4106 WIRE BUNDLE - WIRING CHANGE [Group 2, 5, 50]256
FIGURE 59: P42 PANEL - W5910 WIRE BUNDLE - WIRING CHANGE [Group 21]257
FIGURE 60: P72 PANEL - W1028 WIRE BUNDLE - WIRING CHANGE [Group 1]259
FIGURE 61: E6 RACK - W1040 WIRE BUNDLE - WIRING CHANGE [Group 20, 23, 32, 41]261
FIGURE 62: E6 RACK - W1024 WIRE BUNDLE - WIRING CHANGE [Group 4, 8, 15-16]263
FIGURE 63: E6 RACK - W1024 WIRE BUNDLE - WIRING CHANGE [Group 2-3, 5-7, 50]265
FIGURE 64: E6 RACK - W1024 WIRE BUNDLE - WIRING CHANGE [Group 9, 28, 30, 49]267
FIGURE 65: E6 RACK - W1024 WIRE BUNDLE - WIRING CHANGE [Group 10-14, 17-19, 22, 24-27, 29,
31, 33-40, 42-48, 51]269
FIGURE 66: E6 RACK - W1024 WIRE BUNDLE - WIRING CHANGE [Group 21]271
FIGURE 67: AFT CARGO COMPARTMENT - P74 PANEL - WIRE BUNDLE W1028 ROUTING [Group 1]
.273
FIGURE 68: AFT CARGO COMPARTMENT - E6 RACK - WIRE BUNDLE W1040 ROUTING [Group 20, 23,
32, 41]274
FIGURE 69: AFT CARGO COMPARTMENT - E6 RACK - WIRE BUNDLE W1024 ROUTING [Group 2-3,
5-7, 50]275
FIGURE 70: AFT CARGO COMPARTMENT - E6 RACK - WIRE BUNDLE W1024 ROUTING [Group 4, 8,
15-16]276
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Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 5 of 337 BOEING SERVICE BULLETIN 757-52-0093
FIGURE 71: AFT CARGO COMPARTMENT - E6 RACK - WIRE BUNDLE W1024 ROUTING [Group 9, 28,
30, 49]277
FIGURE 72: AFT CARGO COMPARTMENT - E6 RACK - WIRE BUNDLE W1024 ROUTING [Group 10-14,
17-19, 21-22, 24-27, 29, 31, 33-40, 42-48, 51]278
FIGURE 73: MAIN EQUIPMENT CENTER - P65 PANEL - K10433 RELAY INSTALLATION [Group 1-8,
15-16, 50]279
FIGURE 74: MAIN EQUIPMENT CENTER - P65 PANEL - K10433 RELAY INSTALLATION [Group 9-14,
18-20, 23-26, 28-32, 36-39, 41-42, 44, 46-49, 51]282
FIGURE 75: MAIN EQUIPMENT CENTER - P65 PANEL - K10433 RELAY INSTALLATION [Group 17, 21-22,
27, 33-35, 40, 43, 45]285
FIGURE 76: AFT CARGO COMPARTMENT - P74 PANEL - K10434 RELAY AND DECAL INSTALLATION
[Group 1]288
FIGURE 77: AFT CARGO COMPARTMENT - E6 RACK - K10434 RELAY AND DECAL INSTALLATION
[Group 20, 23, 32, 41]291
FIGURE 78: AFT CARGO COMPARTMENT - E6 RACK - K10434 RELAY AND DECAL INSTALLATION
[Group 2-3, 5-7, 50]294
FIGURE 79: AFT CARGO COMPARTMENT - E6 RACK - K10434 RELAY AND DECAL INSTALLATION
[Group 4, 8, 15-16]297
FIGURE 80: AFT CARGO COMPARTMENT - E6 RACK - K10434 RELAY AND DECAL INSTALLATION
[Group 9, 28, 30, 49]300
FIGURE 81: AFT CARGO COMPARTMENT - E6 RACK - K10434 RELAY AND DECAL INSTALLATION
[Group 10-14, 17-19, 21-22, 24-27, 29, 31, 33-40, 42-48, 51]303
FIGURE 82: P65 PANEL - W0808 WIRE BUNDLE - WIRE ROUTING [Group 1-8, 15-16, 50]306
FIGURE 83: P65 PANEL - W0808 WIRE BUNDLE - WIRE ROUTING [Group 9-14, 17-49]308
FIGURE 84: MAIN ELECTRONICS COMPARTMENT - FLOOR PANELS AND COVERS - INSTALLATION
.310
FIGURE 85: P43 PANEL - CARGO DOOR ARM SWITCH IDENTIFICATION INSTALLATION312
FIGURE 86: P44 PANEL - CARGO DOOR ARM SWITCH IDENTIFICATION INSTALLATION314
FIGURE 87: P43 PANEL - CARGO DOOR ARM SWITCH IDENTIFICATION REPLACEMENT [Group 1-50]
.316
FIGURE 88: P44 PANEL - CARGO DOOR ARM SWITCH IDENTIFICATION REPLACEMENT [Group 1-50]
.318
FIGURE 89: MAIN EQUIPMENT CENTER - P65 PANEL - GROUND BLOCK INSTALLATION [Group 51]
.320
FIGURE 90: FORWARD CARGO COMPARTMENT AND MAIN EQUIPMENT CENTER - WIRE BUNDLES
W0816, W4104 AND W4162 - WIRE ROUTING [Group 51]324
FIGURE 91: P65 PANEL - W0808 WIRE BUNDLE - WIRE ROUTING [Group 51]329
FIGURE 92: AFT CARGO COMPARTMENT - WIRE BUNDLES W1016, W2632 AND W2662 - WIRE
ROUTING [Group 51]330
APPENDIX A: REPETITIVE FUNCTIONAL TEST - NO. 1 AND NO. 2 CARGO DOORS WITH SB 757-52-0093
CONTROL CIRCUIT334
APPENDIX B: PART DEMAND INTENT337
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Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 6 of 337 BOEING SERVICE BULLETIN 757-52-0093
Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION Revision Transmittal SheetNumber: 757-52-0093Original Issue: May 05, 2016 Revision 2: November 14, 2017 ATA System: 5234 SUBJECT: DOORS - No. 1 and 2 Cargo Door - Cargo Door Arm Switch and Relay Installation This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Notice of Proposed Rule Making 2017-NM-090-AD, is related to this service bulletin.
Airplanes NP901 - NP904 were added to new Group 51 of this service bulletin effectivity.
Effects of this Revision on airplanes on which the Original Issue or Revision 1 was previously done:
None.
REASON FOR REVISION This revision is sent to add airplanes to the service bulletin effectivity and add work instructions for new Group
51.
These sections were changed:
1. Summary, Action, added new Group 51 to the applicability.
2. Paragraph 1.A., Effectivity, added airplanes NP901 - NP904 in Group 51.
3. Paragraph 1.C., Reason, added statement for Revision 2.
4. Paragraph 1.D., Description, added new Group 51 to the applicability and added statement for Revision
2.
5. Paragraph 1.E., Compliance, added Notice of Proposed Rule Making.
6. Paragraph 1.G., Manpower, corrected figure reference for Group 14, added table for new Group 51 and added group applicability for optional work.
7. Paragraph 1.H., Weight and Balance Changes, added new Group 51 to the applicability.
8. Paragraph 1.J.1., Existing Data, added references.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 7 of 337
9. Paragraph 1.J.3., Installation Drawings Used in the Preparation of this Service Bulletin, added drawing reference and corrected drawing references.
10. Paragraph 1.K.1., Publications Affected, changed publications affected.
11. Paragraph 2.A., Material Price and Availability, added group applicability and new Group 51 to the applicability.
12. Paragraph 2.C.1., Kits/Parts, added Group 51 to the applicability.
13. Paragraph 2.C.2., Parts and Materials Supplied by the Operator, added information for Alodine replacement.
14. Paragraph 3.A., General Information, added note.
15. Paragraph 3.B., Work Instructions, added work instructions for new Group 51 and added group applicability for optional work.
16. FIGURE 14, 17, 18, 23, 47, 50, 54, 65, 72, 74 and 81 added new Group 51 to the applicability.
17. FIGURE 29 through 43, corrected duplicate RBL.
18. FIGURE 21 through 26 and 61 through 66, corrected reference.
19. FIGURE 87 and 88, added group applicability.
20. FIGURE 89, 90, 91 and 92, new figures added for new Group 51.
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 May 05, 2016Original Issue:
April 21, 2017Revision 1:
November 14, 2017Revision 2:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 8 of 337 BOEING SERVICE BULLETIN 757-52-0093
Commercial Airplanes 757 Service Bulletin
SPECIAL ATTENTION SummaryNumber: 757-52-0093Original Issue: May 05, 2016 Revision 2: November 14, 2017 ATA System: 5234 SUBJECT: DOORS - No. 1 and 2 Cargo Door - Cargo Door Arm Switch and Relay Installation BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS DOCUMENT IMMEDIATELY.
CONCURRENT REQUIREMENTS Refer to Paragraph 1.B., Concurrent Requirements.
BACKGROUND This service bulletin is sent to give instructions to install new switches, relays and related wiring to the forward and aft cargo compartment door control system. The internal contacts of the current cargo door control switch can stay in a closed position when the switch is released. This is caused by the internal contacts of the switch welding together. The safety intent of this service bulletin is to prevent failures of the cargo door control switch from allowing un-commanded movement of the cargo door, which if not corrected, could lead to personnel injury or death.
Operators have experienced cases where the cargo door has continued to move after the cargo door control switch has been released. The momentary cargo door control switch was released to stop the door. The cargo door control switch stuck in the close position and the door continued to move in the close direction resulting in an injury.
With the new cargo door control and arm switch configuration installed, the operator must manually move both switches to operate the cargo door. Both switches are spring loaded to the off position and releasing either switch will stop the door operation. The design change of the cargo door open/close circuitry by adding the cargo door arm switch in accordance with this service bulletin, will prevent failures that could lead to un-commanded movement of the cargo door. In addition, the periodic functional check of both cargo door control and arm switches required by this service bulletin, will provide a means to detect latent failures of either switch.
Boeing Service Related Problem (SRP) 757-SRP-52-0119 is related to this service bulletin.
Boeing Fleet Team Digest (FTD) 757 FTD 52-6001 is related to this service bulletin.
As a part of a service bulletin remote certification program, this change was completed on airplane NT976 by Service Bulletin 757-52-0093 RC01 before the Original Issue of this service bulletin. The change completed on airplane NT976 by Service Bulletin 757-52-0093 RC01 is equivalent to the Original Issue of this service bulletin.
Airplane NT976 has the configuration of a Group 12 airplane.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 9 of 337
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 DataYesElectrical 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 Get access to the main electronics compartment and remove the floor panels. Get access to the forward and aft cargo compartments and remove the sidewall and ceiling linings. In the main electronics compartment, make a cutout in the P65 Panel, install a relay and ground block. At the P43 forward cargo compartment control panel make a cutout and install the cargo door control and arm switches. At the P44 aft cargo compartment control panel make a cutout and install the cargo door control and arm switches.
Group 1:
Between the P43 and P65 Panels, install wire bundles W0816 and W4104.
Group 2-20, 22-51:
Between the P43 and P65 Panels, install wire bundles W0816, W4104 and W4162.
Group 21:
Between the P43 and P65 Panels, install wire bundles W0816, W4162 and W6634.
At the P65 Panel, install relay K10433 and wire bundle W0808.
Group 1:
Between the P44 and P74 Panels, install wire bundles W1016 and W2632.
Group 2, 5, 50:
Between the P44 Panel and the E6 Rack, install wire bundles W1016, W2662 and W4106.
Group 3, 6-7, 9, 28:
Between the P44 Panel and the E6 Rack, install wire bundles W1016, W2662 and W2716.
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Group 4, 8, 10-20, 22-27, 29-49, 51:
Between the P44 Panel and the E6 Rack, install wire bundles W1016, W2632 and W2662.
Group 21:
Between the P44 Panel and the E6 Rack, install wire bundles W1016, W2660 and W5910.
Group 1:
At the P74 Panel, install relay K10434 and wire bundle W1028.
Group 20, 23, 32, 41:
At the E6 Rack, install relay K10434 and wire bundle W1040.
Group 2-19, 21-22, 24-31, 33-40, 42-51:
At the E6 Rack, install relay K10434 and wire bundle W1024.
Do a continuity test of the new wires. Install the floor panels, sidewall and ceiling linings. Do the tests to make sure the No. 1 and No 2 cargo doors work correctly.
EFFECTIVITY 757-200, 757-200CB, 757-200PF, 757-300 Airplanes. Refer to Paragraph 1.A., Effectivity, Airplanes, for the list of affected airplanes.
COMPLIANCE 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 B of this service bulletin to help Boeing predict the quantity and timing of the Boeing Supplied Kits/Parts.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 05, 2016 757-52-0093Revision 2: November 14, 2017 11 of 337 BOEING SERVICE BULLETIN 757-52-0093
BOEING SERVICE BULLETIN 757-52-0093 AT THE P65 PANEL:
-MAKE A CHANGE TO A PANEL ASSEMBLY,
MAKE A WIRING CHANGE, INSTALL A RELAY.
P43 CONTROL PANEL:
- REPLACE ONE SWITCH
AND ADD ONE SWITCH P44 CONTROL PANEL:
-REPLACE ONE SWITCH AND ADD ONE SWITCH.
AT THE E6 RACK (TYPICAL):
-MAKE A WIRING CHANGE, INSTALL A RELAY.
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