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Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Number: 737-53-1260 Original Issue: May 07, 2007 Revision 1: May 23, 2013 ATA System: 5321 SUBJECT: FUSELAGE - Passenger Cabin Floors - Station 520 to 540 - Seat Track Link Assemblies
- Replacement/Modification 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 © 2007 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Unpublished Work.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 07, 2007 737-53-1260Revision 1: May 23, 2013 1 of 97
4.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 2 of 97 BOEING SERVICE BULLETIN 737-53-1260
BLANK PAGE
Table of Contents
Revision Transmittal Sheet5
Summary7
1. PLANNING INFORMATION ........................................ 1 1 A. Effectivity ............................................... 1 1
1. Airplanes ............................................ 1 1
2. Spares Affected ........................................ 2 4 B. Concurrent Requirements ...................................... 2 4 C. Reason ................................................ 2 4 D. Description .............................................. 2 5 E. Compliance .............................................. 2 6 F. Approval ............................................... 2 6 G. Manpower .............................................. 2 7 H. Weight and Balance Changes .................................... 3 0 I. Electrical Load Data ......................................... 3 1 J. References .............................................. 3 2
1. Existing Data: ......................................... 3 2
2. Data Supplied with this Service Bulletin: ........................... 3 2
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 3 2 K. Publications Affected ........................................ 3 2 L. Interchangeability and Intermixability of Parts ........................... 3 3 M. Software Accomplishment Summary ................................ 3 3
2. MATERIAL INFORMATION ........................................ 3 5 A. Material - Price and Availability ................................... 3 5 B. Industry Support Information .................................... 3 5 C. Parts Necessary for Each Airplane ................................. 3 5
1. Kits/Parts: ........................................... 3 5
2. Parts and Materials Supplied by the Operator: ........................ 3 7
3. Parts Modified and Reidentified: ............................... 3 8
4. Parts Removed and Not Replaced: .............................. 3 9 D. Parts Necessary to Change Spares ................................. 3 9 E. Special Tooling - Price and Availability ............................... 3 9 F. Special Tooling Necessary to do this Service Bulletin ....................... 3 9
3. ACCOMPLISHMENT INSTRUCTIONS .................................. 4 1 A. GENERAL INFORMATION ..................................... 4 1 B. WORK INSTRUCTIONS ....................................... 4 2 FIGURE 1: EXISTING SEAT TRACK LINK ASSEMBLY FASTENER MODIFICATION [Group 5] . . . 50 FIGURE 2: PANEL BREAK AND SEAT TRACK LINK ASSEMBLY REMOVAL [Group 1-4] ...... 5 3 FIGURE 3: SEAT TRACK LINK ASSEMBLY INSTALLATION [Group 1-4] ............... 5 7 FIGURE 4: PANEL BREAK INSTALLATION [Group 1-4] ......................... 6 3 FIGURE 5: DRILL HOLES FOR FLOOR PANEL FASTENERS [Group 1-4] ............... 6 9 FIGURE 6: BUSHING STRAP REWORK [Group 1-4] ........................... 7 1 FIGURE 7: TRACK SUPPORT REMOVAL [Group 4] ........................... 7 3 FIGURE 8: TRACK SUPPORT INSTALLATION [Group 4] ........................ 7 5 FIGURE 9: ELECTRICAL BRACKET REMOVAL [Group 2-3] ...................... 7 8 FIGURE 10: ELECTRICAL BRACKET INSTALLATION [Group 2-3] .................... 8 0 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 3 of 97 BOEING SERVICE BULLETIN 737-53-1260
FIGURE 11: PANEL BREAK AND SEAT TRACK LINK ASSEMBLY REMOVAL [Group 1-4] ...... 8 2 FIGURE 12: EXISTING SEAT TRACK LINK ASSEMBLY MODIFICATION [Group 1-4] ......... 8 6 FIGURE 13: PANEL BREAK AND SEAT TRACK LINK ASSEMBLY INSTALLATION [Group 1-4] . . . 92 FIGURE 14: FABRICATION INSTRUCTIONS - SEAT TRACK STRAP [Group 1-4] ........... 9 6 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 4 of 97 BOEING SERVICE BULLETIN 737-53-1260
Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Revision Transmittal SheetNumber: 737-53-1260Original Issue: May 07, 2007 Revision 1: May 23, 2013 ATA System: 5321 SUBJECT: FUSELAGE - Passenger Cabin Floors - Station 520 to 540 - Seat Track Link Assemblies
- Replacement/Modification This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION For Group 1-5, no more work is necessary on the airplane(s) changed in accordance with the Original Issue of this service bulletin.
For Group 6, contact Boeing to get instructions for the inspection, change and/or repair for this service bulletin, and do the work instructed by Boeing.
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-194-AD, is related to this service bulletin.
REASON FOR REVISION Terminology has been changed in the Work Instructions to agree with the terminology defined in Paragraph
3.A., General Information - Notes.
Revision 1 is sent to:
1. Summary
a. CONCURRENT REQUIREMENTS - Added concurrent statement for Group 6.
b. BACKGROUND - Revised background paragraph and added Evaluation Table.
c. ACTION - Revised to agree with the changes to the Work Instructions.
d. COMPLIANCE - Added Notice of Proposed Rule Making
e. INDUSTRY SUPPORT INFORMATION - Updated warranty notice date.
2. Paragraph 1.A., Airplanes - Updated airplanes groups.
3. Paragraph 1.B., Concurrent Requirements - Added concurrent statement for Group 6.
4. Paragraph 1.C., Reason - Revised reason paragraph.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 5 of 97
5. Paragraph 1.D., Description - Revised to agree with the changes to the Work Instructions.
6. Paragraph 1.E., Compliance - Revised compliance statements.
7. Paragraph 1.G., Manpower - Updated manpower for Groups 1-4 airplanes.
8. Paragraph 1.H., Weight and Balance Changes - Updated weight and balance for Groups 1-4 airplanes.
9. Paragraph 1.J., References - Updated reference materials.
10. Paragraph 1.K., Publications Affected - Updated publication affected and added Damage Tolerance Based Structural Inspections statement.
11. Paragraph 1.M., Software Accomplishment Summary - Added a software accomplishment section.
12. Paragraph 2.A., Material - Updated Kit Number and Unit Price table.
13. Paragraph 2.B., Industry Support Information - Updated warranty notice date.
14. Paragraph 2.C., Parts Necessary For Each Airplane - Updated Kits/Parts and, Parts and Materials Supplied by the Operator.
15. Paragraph 2.E., Special Tooling - Price and Availability - Updated tool rental data.
16. Paragraph 3.A., GENERAL INFORMATION - Updated General Information notes.
17. Paragraph 3.B., WORK INSTRUCTIONS - Added modification option for Groups 1-4 airplanes.
18. FIGURE 1 - Corrected typographical error.
19. FIGURE 4 and FIGURE 8 - Updated part numbers.
20. FIGURE 10 - Corrected the minimum distance to maintain between Electrical Bracket and Bushing Strap in note (a).
21. FIGURES 11 through 14 - New figures added for modification option.
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 May 07, 2007Original Issue:
May 23, 2013Revision 1:
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 6 of 97 BOEING SERVICE BULLETIN 737-53-1260
Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION SummaryNumber: 737-53-1260Original Issue: May 07, 2007 Revision 1: May 23, 2013 ATA System: 5321 SUBJECT: FUSELAGE - Passenger Cabin Floors - Station 520 to 540 - Seat Track Link Assemblies
- Replacement/Modification BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
CONCURRENT REQUIREMENTS Group 1-2, 4-5:
You cannot make the changes given in this service bulletin unless the changes given in Boeing Service Bulletin 737-53-1120 R01 are made. Boeing Service Bulletin 737-53-1120 R01 describes procedures to install a new channel with a seat track link assembly.
Group 3, 6:
None.
BACKGROUND This service bulletin gives instructions to repair or replace the cabin floor seat track link assemblies between BS 520 and BS 540. If the work given in this service bulletin is not accomplished, the current seat track crowns and seat track link assemblies could separate during a 9G emergency landing condition. If the seat track crown and the seat track link assembly separate, the passenger seats would not have adequate support during a 9G emergency landing. This could result in injury to passengers.
Testing of a portion of the seat track revealed the structural deficiency related to the seat track crown attachment to the seat track link assembly.
The changes shown in this service bulletin will restore the 9G forward loading condition in the areas between BS 520 and BS 540.
Boeing Service Related Problem (SRP) 737-SRP-53-0179 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., ComplianceYesAD Related Paragraph 1.H., Weight and Balance ChangesYesWeight and Balance Change Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 7 of 97
ReferenceAffectedPlanning Data 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 YesOperator Supplied Material Paragraph 2.F., Special Tooling Necessary to do this Service Bulletin YesSpecial Tooling Required ACTION (PRR 35005-252RS) Group 1-4:
Get access to seat track link assemblies at body station (BS) 520-540. At each location, replace the existing seat track link assembly with a new one piece seat track link assembly or do a seat track link assembly modification.
Group 5:
Get access to seat track link assemblies at body station (BS) 520-540. At each location, do a fastener modification to the existing seat track link assembly and intercostal.
Group 6:
On Group 6 airplanes, contact Boeing to get instructions for the inspection, change and/or repair for this service bulletin, 737-53-1260 Original Issue or 737-53-1260 Revision 1, and do the work instructed by Boeing.
EFFECTIVITY 737-100, -200, -200C, -300, -400, -500 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.
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-194-AD, is related to this service bulletin.
Refer to Paragraph 1.E., Compliance.
INDUSTRY SUPPORT INFORMATION Boeing warranty remedies are available for airplanes in warranty as of January 25, 2002. Please refer to Paragraph 2.B., Industry Support Information.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 8 of 97 BOEING SERVICE BULLETIN 737-53-1260
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: May 07, 2007 737-53-1260Revision 1: May 23, 2013 9 of 97 BOEING SERVICE BULLETIN 737-53-1260
BOEING SERVICE BULLETIN 737-53-1260
STA STA 520 500 STA 540 0000 GROUPS 1-4 REPLACE OR DO A FASTENER MODIFICATION
537.45 STA STA 520 GROUP 5 DO A FASTENER MODIFICATION TO THE EXISTING TO THE EXISTING SEAT TRACK LINK ASSEMBLIES
SEAT TRACK LINK ASSEMBLIES LBL
45.5 LBL
24.75 AFWD BL
0.O RBL
24.75 RBL -
45.5 GROUP 4-5 CONFIGURATION SIMILAR GROUP 1-3 CONFIGURATION SHOWN, 1338602 Original Issue: May 07, 2007 Revision 1: May 23, 2013 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 737-53-1260 Work - See page 1 for details. 10 of 97
Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Number: 737-53-1260 Original Issue: May 07, 2007 Revision 1: May 23, 2013 ATA System: 5321 SUBJECT: FUSELAGE - Passenger Cabin Floors - Station 520 to 540 - Seat Track Link Assemblies
- Replacement/Modification BOEING RECOMMENDS THAT EACH OPERATOR EXAMINE THIS SERVICE BULLETIN IMMEDIATELY.
1. PLANNING INFORMATION A. Effectivity
1. Airplanes This service bulletin is for the airplanes shown below.
Refer to Service Bulletin Index D6-19567 Part 3 for Airplane Variable Number, Line Number, and Serial Number data.
DESCRIPTIONCONFIGURATIONGROUP 737-200 passenger airplanes line number 292-1585 with common effectivity to service bulletin 737-53-1120 R01.
-1 737 -300, -400 passenger airplanes line number 1001-1717 with an electrical bracket and with common effectivity to service bulletin 737-53-1120 R01.
-2 737-300, -400, -500 passenger airplanes line number 1718-3132 with an electrical bracket.
-3 737 -200 navigation trainer airplanes line number 317-363.-4 737-200C cargo airplanes line number 294-1113.-5 737-100, -200, -200C airplanes line number 1-291 (line numbers 1-291 were previously in Group 1 and Group 5 in the Original Issue of this service bulletin).
-6 Airplane Models:
737-100, 737-200, 737-200C, 737-300, 737-400, 737-500 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 11 of 97
GroupVariable Number 6PA001 - PA022 6PA099 6PA231 - PA232 6PC001 - PC005 6PG001 - PG075 6PG199 6PG201 - PG230 6PG251 - PG255 6PG271 - PG279 6PG301 - PG314 6PG331 - PG332 6PG351 - PG356 6PG375 6PG401 - PG403 6PG431 - PG442 6PG471 - PG475 6PG501 - PG505 6PG571 - PG583 1PG584 - PG586 6PG621 - PG630 6PG651 - PG652 6PG701 - PG705 1PH001 1PH011 - PH013 1PH021 - PH024 6PH701 - PH715 6PH731 - PH732 6PH741 - PH742 1PH743 6PJ001 - PJ002 1PJ003 - PJ009 6PJ031 - PJ032 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: May 07, 2007 737-53-1260Revision 1: May 23, 2013 12 of 97 BOEING SERVICE BULLETIN 737-53-1260