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Commercial Airplanes 747 Service Bulletin Number: 747-27A2513 Original Issue: February 04, 2014 Revision 1: July 18, 2014 ATA System: 2731 2900 5510 SUBJECT: FLIGHT CONTROLS - Elevator Control System - Inboard Elevator Compensator Installation and Power Control Package 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 © 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Unpublished Work.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: February 04, 2014 747-27A2513Revision 1: July 18, 2014 1 of 108
2.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 2 of 108 BOEING SERVICE BULLETIN 747-27A2513
BLANK PAGE
Table of Contents
Revision Transmittal Sheet5
S u m m a r y7
1. PLANNING INFORMATION ........................................ 1 1 A . E f f e c t i v i t y ............................................... 1 1
1. Airplanes ............................................ 1 1 2 . S p a r e s A f f e c t e d ........................................ 1 2 B. Concurrent Requirements ...................................... 1 2 C. Reason ................................................ 1 2 D. Description .............................................. 1 3 E. Compliance .............................................. 1 3 F . A p p r o v a l ............................................... 1 3 G. Manpower .............................................. 1 3 H. Weight and Balance Changes .................................... 1 4 I. Electrical Load Data ......................................... 1 4 J . R e f e r e n c e s .............................................. 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 5 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 9 C. Parts Necessary for Each Airplane ................................. 1 9 1 . K i t s / P a r t s ............................................ 1 9
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 8 FIGURE 1: INBOARD ELEVATOR POWER CONTROL PACKAGE (PCP) AND HYDRAULIC TUBES R E M O V A L - L E F T S I D E .................................... 3 0 FIGURE 2: LOOSEN THE WIRE BUNDLE W1656 AND W4615 - LEFT SIDE ............. 3 4 F I G U R E 3 : F A S T E N E R S A N D B R A C K E T S R E M O V A L - L E F T S I D E .................. 3 6 FIGURE 4: INBOARD COMPENSATOR MOUNTING BRACKET INSTALLATION - LEFT SIDE .... 3 9 FIGURE 5: OUTBOARD COMPENSATOR MOUNTING BRACKET INSTALLATION - LEFT SIDE . . 47 FIGURE 6: COMPENSATORS AND HYDRAULIC TUBES INSTALLATION - LEFT SIDE ....... 5 5 FIGURE 7: WIRE BUNDLE W1656 AND W4615 ROUTING - LEFT SIDE ................ 6 1 FIGURE 8: INBOARD ELEVATOR POWER CONTROL PACKAGE (PCP) INSTALLATION - LEFT SIDE .................................................. 6 4 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 3 of 108 BOEING SERVICE BULLETIN 747-27A2513
FIGURE 9: INBOARD ELEVATOR POWER CONTROL PACKAGE (PCP) AND HYDRAULIC TUBES R E M O V A L - R I G H T S I D E ................................... 6 8 FIGURE 10: LOOSEN THE WIRE BUNDLE W1912 AND W4616 - RIGHT SIDE ............ 7 3 F I G U R E 1 1 : F A S T E N E R S A N D B R A C K E T S R E M O V A L - R I G H T S I D E ................. 7 5 FIGURE 12: INBOARD COMPENSATOR MOUNTING BRACKET INSTALLATION - RIGHT SIDE . . . 78 FIGURE 13: OUTBOARD COMPENSATOR MOUNTING BRACKET INSTALLATION - RIGHT SIDE . 85 FIGURE 14: BRACKET INSTALLATION - RIGHT SIDE .......................... 9 2 FIGURE 15: COMPENSATORS AND HYDRAULIC TUBES INSTALLATION - RIGHT SIDE ...... 9 5 FIGURE 16: WIRE BUNDLE W1912 AND W4616 ROUTING - RIGHT SIDE .............. 1 0 2 FIGURE 17: INBOARD ELEVATOR POWER CONTROL PACKAGE (PCP) INSTALLATION - RIGHT SIDE ................................................. 1 0 5 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 4 of 108 BOEING SERVICE BULLETIN 747-27A2513
Commercial Airplanes 747 Service Bulletin Revision Transmittal SheetNumber: 747-27A2513Original Issue: February 04, 2014 Revision 1: July 18, 2014 ATA System: 2731 2900 5510 SUBJECT: FLIGHT CONTROLS - Elevator Control System - Inboard Elevator Compensator Installation and Power Control Package Replacement This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION 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.
No more work is necessary on the airplanes changed in accordance with the original issue of this service bulletin.
REASON FOR REVISION This revision is sent to make corrections to fastener length and wire clamp size, revised the manpower as found during the service bulletin validation.
As a part of a service bulletin validation program, this change was completed on airplane RC008 by Service Bulletin 747-27A2513, Original Issue, before the release of Revision 1 of this service bulletin. The change completed on airplane RC008 by Service Bulletin 747-27A2513 Original Issue is equivalent to the release of Revision 1 of this service bulletin. Airplane RC008 has the configuration of a Group 1 airplane.
These sections were changed:
1. Paragraph 1.A.1., Airplanes: Removed the Notes paragraph.
2. Paragraph 1.G., Manpower: Changed the task hour table.
3. Paragraph 1.J.1., References: Revised Existing Data step h and i.
4. Paragraph 2.B., Industry Support Information: Changed the warranty statement
5. Paragraph 2.C.1., Kits/Parts: Changed the part numbers, added extra quantity to the kit, and added the foot note (c).
6. Paragraph 2.C.2., Parts and Materials Supplied by the Operator: Changed the part number.
7. Figures 2 and 10: Revised the step table to add foot note (a).
8. Figures 4 and 7: Changed the step table and fastener table to correct the fastener length and clamp size, and added extra quantity to the extra parts table.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 5 of 108
9. Figures 5: Changed sheet 2, step table, and added extra quantity to the extra parts table.
10. Figure 6: Changed sheet 2, step table, and added extra quantity to the extra parts table. Revised the foot note (d).
11. Figure 8: Changed sheet 1.
12. Figures 9: Changed the step table.
13. Figures 12, 13, 14 and 16: Changed the step table and fastener table to correct the fastener length and clamp size and added extra quantity to the extra parts table.
14. Figure 15: Changed sheet 3, step table and added extra quantity to the extra parts table. Revised the foot note (d).
The data given in Information Notices 747-27A2513 IN 01 is included in this revision.
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 February 04, 2014Original Issue:
July 18, 2014Revision 1:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 6 of 108 BOEING SERVICE BULLETIN 747-27A2513
Commercial Airplanes 747 Service Bulletin SummaryNumber: 747-27A2513Original Issue: February 04, 2014 Revision 1: July 18, 2014 ATA System: 2731 2900 5510 SUBJECT: FLIGHT CONTROLS - Elevator Control System - Inboard Elevator Compensator Installation and Power Control Package Replacement
CONCURRENT REQUIREMENTS None.
BACKGROUND The change given in this service bulletin will help to prevent divergent flutter or unacceptable vibration that can occur in certain parts of the flight envelope if two hydraulic systems are not functional. Divergent flutter could result in the possible loss of control of the airplane.
Boeing analysis found that the existing internal compensators to the two inboard elevator power control package (PCP) provided insufficient hydraulic capacity for retained stiffness of the elevator surface when two hydraulic systems are not functional. This service bulletin installs two (2) larger external compensators for each of the two
(2) inboard elevator PCP. This replacement provides sufficient hydraulic capacity to prevent divergent flutter or unacceptable vibration.
This service bulletin also refers to a Parker service bulletin. The Parker service bulletin gives instructions to rework the existing inboard elevator PCP that has internal compensators into the new inboard elevator PCP with internal compensators removed. This service bulletin gives instructions to replace the existing PCP internal compensators with larger external compensators and new design of inboard elevator PCP. Replace existing brackets and hydraulic tubing to accommodate the new external compensators.
Boeing Service Related Problem (SRP) 747-SRP-27-0235 is related to this service bulletin.
Boeing Fleet Team Digest (FTD) 747 FTD 27-13004 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 ChangesYesWeight and Balance Change Paragraph 1.I., Electrical Load DataNoElectrical Load Changed Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 7 of 108
ReferenceAffectedPlanning Data 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 (PRR 86601-5) Open access to the left and right inboard elevator PCP. Remove the inboard elevator PCP, hydraulic tubes and associated hardware. Remove the clamps and loosen the wire bundles. Remove the existing electrical brackets and rivets. Install inboard and outboard compensator mounting brackets. Install inboard and outboard compensators, and hydraulic tubes. Route the wire bundles. Install inboard elevator PCP. Bleed the hydraulic systems. Do the operational test. Close access to the left and right inboard elevator PCP. Put the airplane back to a serviceable condition.
EFFECTIVITY 747-8 and 747-8F 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 60 months after the Original Issue date of this service bulletin.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for airplanes in warranty as of January 28, 2013. Please refer to Paragraph 2.B., Industry Support Information. The warranty remedies will expire eight years from the original issue date of 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.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 8 of 108 BOEING SERVICE BULLETIN 747-27A2513
BOEING SERVICE BULLETIN 747-27A2513
REPLACE SSTA HYDRAULIC 172.4 TUBES SSTA 210 SSTA REPLACE HYDRAULIC 235 TUBE SSTA 260
INSTALL NEW
BLEED VALVE INSTALL TEE AND BRACKET AND COMPENSATOR
REPLACE POWER
CONTROL
PACKAGE
INSTALL NEW BRACKET
COMPENSATOR AND TEE
REPLACE TEE, INSTALL
ELBOW AND BLEED VALVE INBOARD ELEVATOR COMPENSATOR
LEFT SIDE SHOWN
RIGHT SIDE SIMILAR 2267309 Original Issue: February 04, 2014 Revision 1: July 18, 2014 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished 747-27A2513 Work - See page 1 for details. 9 of 108
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 10 of 108 BOEING SERVICE BULLETIN 747-27A2513
BLANK PAGE
Commercial Airplanes 747 Service Bulletin Number: 747-27A2513 Original Issue: February 04, 2014 Revision 1: July 18, 2014 ATA System: 2731 2900 5510 SUBJECT: FLIGHT CONTROLS - Elevator Control System - Inboard Elevator Compensator Installation and Power Control Package Replacement
1. PLANNING INFORMATION A. Effectivity
1. Airplanes Refer to Service Bulletin Index D6-30300 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 86601-5 for data about this change.
DESCRIPTIONCONFIGURATIONGROUP 747-8 and 747-8F airplanes line number 1420 through 1434, and 1436 through 1491.
-1 Airplane Models:
747-8, 747-8F GroupVariable Number 1RC001 - RC008 1RC022 - RC030 1RC501 - RC511 1RC521 - RC528 1RC541 1RC546 - RC549 1RC551 - RC563 1RC571 - RC582 1RC601 - RC605 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 11 of 108
2. Spares Affected Examine your spares supply for the parts or components identified below . If any parts or components are found, refer to Paragraph 2.C.2., Parts and Materials Supplied by the Operator for the recommended action.
Serial NumberPart Number N/A327400-1009 B. Concurrent Requirements None.
C. Reason The change given in this service bulletin will help to prevent divergent flutter or unacceptable vibration that can occur in certain parts of the flight envelope if two hydraulic systems are not functional. Divergent flutter could result in the possible loss of control of the airplane.
Boeing analysis found that the existing internal compensators to the two inboard elevator power control package (PCP) provided insufficient hydraulic capacity for retained stiffness of the elevator surface when two hydraulic systems are not functional. This service bulletin installs two (2) larger external compensators for each of the two (2) inboard elevator PCP. This replacement provides sufficient hydraulic capacity to prevent divergent flutter or unacceptable vibration.
This service bulletin also refers to a Parker service bulletin. The Parker service bulletin gives instructions to rework the existing inboard elevator PCP that has internal compensators into the new inboard elevator PCP with internal compensators removed. This service bulletin gives instructions to replace the existing PCP internal compensators with larger external compensators and new design of inboard elevator PCP. Replace existing brackets and hydraulic tubing to accommodate the new external compensators.
Boeing Service Related Problem (SRP) 747-SRP-27-0235 is related to this service bulletin.
Boeing Fleet Team Digest (FTD) 747 FTD 27-13004 is related to this service bulletin.
As a part of a service bulletin validation program, this change was completed on airplane RC008 by Service Bulletin 747-27A2513, Original Issue, before the release of Revision 1 of this service bulletin.
The change completed on airplane RC008 by Service Bulletin 747-27A2513 Original Issue is equivalent to the release of Revision 1 of this service bulletin. Airplane RC008 has the configuration of a Group 1 airplane.
Revision 1 is sent to make corrections to fastener length and wire clamp size, revised the manpower as found during the service bulletin validation.
The data given in Information Notices 747-27A2513 IN 01 is included in this revision.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: February 04, 2014 747-27A2513Revision 1: July 18, 2014 12 of 108 BOEING SERVICE BULLETIN 747-27A2513