# Boeing Alert Service Bulletin 747-53A2605: Revision 3

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- Document: [Boeing Alert Service Bulletin 747-53A2605](https://openairdocs.org/service-documents/boeing/747-53a2605.md)
- Title as filed: U.S. DOT/FAA - SB-747-53A2605-03
- Pages: 203
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## Text

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### Page 1

Commercial 
Airplanes
747
Service Bulletin
ALERT
Number: 747-53A2605
Original Issue: October 08, 2009
Revision 3: July 10, 2013
ATA System: 5312
SUBJECT: FUSELAGE - Center Section - Tension Ties and Frames - Modification and Inspection
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 © 2009 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Unpublished Work.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.
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747-53A2605Revision 3: July 10, 2013
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4.0

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Table of Contents
Revision Transmittal Sheet ............................................ 5
Summary ...................................................... 7
1. PLANNING INFORMATION ........................................ 1 1
A. Effectivity ............................................... 1 1
1. Airplanes ............................................ 1 1
2. Spares Affected ........................................ 2 2
B. Concurrent Requirements ...................................... 2 2
C. Reason ................................................ 2 3
D. Description .............................................. 2 3
E. Compliance .............................................. 2 5
F. Approval ............................................... 3 0
G. Manpower .............................................. 3 1
H. Weight and Balance Changes .................................... 4 1
I. Electrical Load Data ......................................... 4 2
J. References .............................................. 4 2
1. Existing Data: ......................................... 4 2
2. Data Supplied with this Service Bulletin: ........................... 4 2
3. Installation Drawings Used in the Preparation of this Service Bulletin: ........... 4 9
K. Publications Affected ........................................ 4 9
L. Interchangeability and Intermixability of Parts ........................... 5 0
M. Software Accomplishment Summary ................................ 5 0
2. MATERIAL INFORMATION ........................................ 5 1
A. Material - Price and Availability ................................... 5 1
B. Industry Support Information .................................... 5 2
C. Parts Necessary for Each Airplane ................................. 5 2
1. Kits/Parts: ........................................... 5 2
2. Parts and Materials Supplied by the Operator: ....................... 1 6 2
3. Parts Modified and Reidentified: ............................... 1 6 3
4. Parts Removed and Not Replaced: ............................. 1 6 3
D. Parts Necessary to Change Spares ................................ 1 6 3
E. Special Tooling - Price and Availability .............................. 1 6 3
F. Special Tooling Necessary to do this Service Bulletin ...................... 1 6 4
3. ACCOMPLISHMENT INSTRUCTIONS ................................. 1 6 5
A. GENERAL INFORMATION .................................... 1 6 5
B. WORK INSTRUCTIONS ...................................... 1 6 6
FIGURE 1: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 760 - STA 940)
[Group 1-3, 13-14] ....................................... 1 7 7
FIGURE 2: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 800 - STA 940)
[Group 4, 9] .......................................... 1 7 9
FIGURE 3: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 800 - STA 880,
STA 920, AND STA 940) [Group 5, 16] ........................... 1 8 1
FIGURE 4: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 840 - STA 940)
[Group 6] ............................................ 1 8 3
FIGURE 5: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 840 - STA 880,
STA 920, AND STA 940) [Group 7] ............................. 1 8 5
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FIGURE 6: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 780 - STA 880,
STA 920, AND STA 940) [Group 8, 11-12, 15] ....................... 1 8 7
FIGURE 7: SURFACE HFEC INSPECTION OF TENSION TIE CENTER SECTIONS (STA 720 - STA 940)
[Group 10] ........................................... 1 8 9
FIGURE 8: EDDY CURRENT INSPECTIONS OF ALL AREAS OF TENSION TIES - LEFT SIDE [Group
1-16] .............................................. 1 9 2
FIGURE 9: EDDY CURRENT INSPECTIONS OF ALL AREAS OF TENSION TIES - RIGHT SIDE [Group
1-16] .............................................. 1 9 7
APPENDIX A: TENSION TIE DISCONNECTION METHODS ....................... 2 0 2
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Commercial 
Airplanes
747
Service Bulletin
ALERT
Revision Transmittal SheetNumber: 747-53A2605Original Issue: October 08, 2009
Revision 3: July 10, 2013
ATA System: 5312
SUBJECT: FUSELAGE - Center Section - Tension Ties and Frames - Modification and Inspection
This revision includes all pages of the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION
More work is necessary on airplanes modified in accordance with the original issue, Revision 1, or Revision 2
of this service bulletin. Airplanes previously modified in accordance with this service bulletin will require surface
high frequency eddy current (HFEC) inspection for cracks in the forward and aft tension tie channels around
fasteners in unmodified areas where fastener holes were not zero-timed during modification. Refer to paragraph
1.E., Compliance for the compliance time of this additional inspection. However, no additional modification is
necessary.
Federal Aviation Administration (FAA) Airworthiness Directive AD 2012-13-08 is related to this service bulletin.
Airplanes RG001-RG009, RG091-RG091, RG095-RG095, RG101-RG104, RG121-RG126, RG141-RG142,
RG161-RG164, RG171-RG174, RG191-RG193, RG211-RG213, RG221-RG222, RH111-RH112, RH121-RH122
were added to the service bulletin effectivity as Group 17.
Airplanes RH101 and RH102 were added to the service bulletin effectivity as Group 18.
REASON FOR REVISION
This revision is sent to add the requirement to do surface high frequency eddy current (HFEC) inspection where
fastener holes are not zero-timed during modification on Group 1-16 airplanes. Revision 3 also adds instructions
for post-modification inspection of the entire tension tie for Group 1-16 airplanes, and adds effectivity and
modification instructions for 747SP (Group 17-18) airplanes.
These sections were changed:
1. In the Summary: Updated the Background and Action sections to reflect new inspection requirements.
Also, updated Compliance section with current Airworthiness Directive (AD) information.
2. In Paragraph 1.A., Effectivity: Added 747SP airplanes as Group 17 and Group 18. Also, revised the
Group/Configuration table to specify configurations for airplanes that have and have not already had
the tension tie and frame modification accomplished.
3. In Paragraph 1.C., Reason: Added reason for Revision 3.
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4. In Paragraph 1.D., Description: Updated the description of service bulletin actions and added "more
work" statement related to Revision 3.
5. In Paragraph 1.E., Compliance: Updated Airworthiness Directive information. Revised compliance
Table 1 to apply only to initial inspection and modification. Added new compliance Tables 2, 3, and 4
for Post-Modification inspections. Added new compliance Table 5 for additional (more work) inspection
requirements on airplanes that had the tension tie and frame modification accomplished in accordance
with a previous revision of this service bulletin. Added new compliance Tables 6 and 7 for Group 17
and 18 airplanes.
6. In Paragraph 1.F., Approval: Updated Alternative Method of Compliance (AMOC) statements for AD
2004-07-22 R1, 84-19-01, and 94-13-06. Added new AMOC statements for AD 2012-13-08 (which
superseded AD 2006-01-07).
7. In Paragraph 1.G., Manpower: Added task hour estimates for tension tie center section inspections
and post-modification inspections.
8. In Paragraph 1.J.2., Data Supplied with this Service Bulletin: Added drawings required for
post-modification inspections of Group 1-16 airplanes and added drawings required for modification
of Group 17-18 airplanes. Also added KPL data previously not listed.
9. In Paragraph 3.A., General Information: Added note 15.
10. In Paragraph 3.B., Work Instructions: Added PART 3 to give instructions for new post-modification
inspection requirements, and added PART 4 to give instructions for inspection of the unmodified tension
tie center sections. PART 4 is a "more work" requirement for airplanes that had the tension tie and
frame modification accomplished in accordance with the Original Issue, Revision 1, or Revision 2 of
this service bulletin. Also in the Work Instructions, added PART 5 and PART 6 for modification of Group
17-18 airplanes.
11. In Figures 1 - 7: These new figures have been added to give inspection instructions for the unmodified
tension tie center sections on Group 1-16 airplanes.
12. In Figures 8 and 9: These new figure have been added to give post-modification inspection instructions
not previously included in the service bulletin for Group 1-16 airplanes.
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
October 08, 2009Original Issue:
May 27, 2010Revision 1:
December 09, 2011Revision 2:
July 10, 2013Revision 3:
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Commercial 
Airplanes
747
Service Bulletin
ALERT
SummaryNumber: 747-53A2605Original Issue: October 08, 2009
Revision 3: July 10, 2013
ATA System: 5312
SUBJECT: FUSELAGE - Center Section - Tension Ties and Frames - Modification and Inspection
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
None.
BACKGROUND
This service bulletin gives instructions for modification of upper deck tension ties and adjacent frame structure
on non stretched upper deck (Non-SUD) airplanes. The tension ties have been determined to be structure that
is susceptible to Widespread Fatigue Damage (WFD). WFD can cause tension ties to become severed or
disconnected from the frames. Severed or disconnected Tension Ties and/or Frames at multiple locations could
result in rapid in-flight decompression.
For more information about WFD, refer to Boeing Service Letter 747-SL-53-088.
Service Bulletin 747-53A2502 recommends initial and repeat inspections of Non-SUD airplane tension ties from
body station (STA) 760 to STA 940 (STA 1040 to STA 1140 for 747SP). Service Bulletin 747-53A2502 was
issued to address multiple reports of cracks found in tension ties and adjacent frame structure.
Group 1-16:
Accomplishment of the modification in this service bulletin terminates the repeat inspection requirement of
Service Bulletin 747-53A2502.
Group 17-18:
Accomplishment of the modification in this service bulletin does not terminate the repeat inspection requirement
of Service Bulletin 747-53A2502, but a new inspection threshold is provided.
Boeing Service Related Problem (SRP) 747-SRP-53-0200 and 747-SRP-53-0438 are related to this service
bulletin.
As a part of a service bulletin validation program, this modification and inspection was completed on airplane
RD041 by Service Bulletin 747-53A2605, Original Issue. The modification and inspection completed on airplane
RD041 by Service Bulletin 747-53A2605, Original Issue is equivalent to the Revision 2 of this service bulletin.
Airplane RD041 has the configuration of a Group 5 airplane.
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Subsequent to the release of Revision 2 of this service bulletin, Boeing has determined that additional inspections
are required in the center sections of the tension ties where the tension tie channels are not replaced and where
fastener holes are not zero-timed during modification.
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., ComplianceYesAD 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 Air-
plane 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 85901-68RS)
Get access to the Frame to Tension Tie joints in Section 42. At each station, disconnect and remove a section
of the tension tie between the frame and approximate Buttock Line (BL) 36. For each frame, remove a specified
section of the frame above and below the tension tie attach point. After the existing frame and tension tie structure
has been removed and discarded, install new frame and tension tie structure. Do the modification on both sides
of the airplane.
Group 1-16:
Do surface high frequency eddy current (HFEC) inspection of the tension ties at fastener locations where the
holes were not zero-timed during modification. If cracks are found, contact Boeing for repair instructions and do
the repair.
Group 1-16:
After modification, do initial and repeat detailed, high frequency eddy current (HFEC), and low frequency eddy
current (LFEC) inspections of the tension ties at the compliance time specified in paragraph 1.E., Compliance.
If cracks are found, contact Boeing for repair instructions and do the repair.
Group 17-18:
After modification, do initial and repeat detailed and HFEC inspections for cracks in all tension ties, adjacent
frame structure, and adjacent structure that attaches to the tension ties. If cracks are found, contact Boeing for
repair instructions and do the repair.
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EFFECTIVITY
747-100, 747-100B, 747-200B, 747-200C, 747-200F, 747-400F, 747SR, and 747SP airplanes. Refer to Paragraph
1.A.1., Airplanes, for the list of affected airplanes.
COMPLIANCE
Federal Aviation Administration (FAA) Airworthiness Directives AD 84-19-01, AD 94-13-06, AD 2004-07-22 R1,
and AD 2012-13-08  are related to this service bulletin.
Refer to paragraph 1.E, Compliance.
INDUSTRY SUPPORT INFORMATION
Boeing warranty remedies are not available for the modification and inspections 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.
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BOEING SERVICE BULLETIN 747-53A2605
ALERT  ALERT
STA
STA  940
720
FRAME (TYPICAL)
TENSION TIE (TYPICAL)
STA
720
MODIFY /INSPECT
TENSION TIES AND
FRAMES
NOTE: TENSION TIES
ON 747SP AIRPLANES
ARE FROM STA 1040
TO STA 1140
FWD  STA
940  1732168
Original Issue: October 08, 2009
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Commercial 
Airplanes
747
Service Bulletin
ALERT
Number: 747-53A2605
Original Issue: October 08, 2009
Revision 3: July 10, 2013
ATA System: 5312
SUBJECT: FUSELAGE - Center Section - Tension Ties and Frames - Modification and Inspection
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
This service bulletin is for the airplanes shown below. Refer to PRR 85901-68RS for data about
this change.
Refer to Service Bulletin Index Document D6-30300 Part 3 for Airplane Variable Number, Line
Number, and Serial Number data.
DESCRIPTIONCONFIGURATIONGROUP
747-100 and -200B airplanes with tension ties from STA 760 to STA
940, and a combination of tension ties at STA 760 and STA 940 that
is unique. The Group 1 tension tie modification is similar to Group 2,
except at STA 760. The Group 1 tension tie modification similar to
Group 13, except at STA 940. This group requires 142U0102-233
tension tie modification kit.
-1
Group 1 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 1 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
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DESCRIPTIONCONFIGURATIONGROUP
747-100 airplanes with tension ties from STA 760 to STA 940, and
a combination of tension ties at STA 760 and STA 940 that is unique.
The Group 2 tension tie modification is similar to Group 1, except at
STA 760. The Group 2 tension tie modification similar to Group 14,
except at STA 940. This group requires 142U0102-233 tension tie
modification kit.
-2
Group 2 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 2 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
-100 and -200B airplanes with tension ties from STA 760 to STA 940,
and a unique tension tie configuration at STA 760.
-3
Group 3 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 3 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-100, -100B, -200B and SR airplanes with tension ties from STA
800 to STA 940, and a unique combination of tension ties at STA
900, 920, and 940.
-4
Group 4 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 4 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-200B and SR airplanes with tension ties from STA 800 to STA
940, and a unique frame configuration.
-5
Group 5 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 5 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
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DESCRIPTIONCONFIGURATIONGROUP
747-100, -100B, -200B and SR airplanes with tension ties from STA
840 to STA 940 that have a unique configuration.
-6
Group 6 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 6 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-200B and SR airplanes with tension ties from STA 840 to STA
940 that have a unique configuration.
-7
Group 7 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 7 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-200F airplanes. These airplanes have tension ties from STA 780
to STA 940, and have a unique configuration at STA 940.
-8
Group 8 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 8 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-200C airplanes. These airplanes have tension ties from STA
800 to STA 940, and have a unique configuration at STA 900.
-9
Group 9 airplanes not modified in accordance with the Original Issue,
Revision 1, or Revision 2 of this service bulletin.
1
Group 9 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-400F airplanes. These airplanes have tension ties from STA 720
to STA 940.
-10
Group 10 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 10 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
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DESCRIPTIONCONFIGURATIONGROUP
747-100 airplanes with tension ties from STA 780 to STA 940, and
a unique combination of tension ties at STA 900, 920, and 940. This
group requires 142U0102-233 tension tie modification kit.
-11
Group 11 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 11 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-100 airplanes with tension ties from STA 780 to STA 940, and
a unique combination of tension ties at STA 900, 920, and 940.
-12
Group 12 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 12 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-100 airplanes with tension ties from STA 760 to STA 940, and
a combination of tension ties at STA 760 and STA 940 that is unique.
The Group 13 tension tie modification is similar to Group 14, except
at STA 760. The Group 13 tension tie modification similar to Group
1, except at STA 940. This group requires 142U0102-232 tension tie
modification kit.
-13
Group 13 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 13 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-100 airplanes with tension ties from STA 760 to STA 940, and
a combination of tension ties at STA 760 and STA 940 that is unique.
The Group 14 tension tie modification is similar to Group 13, except
at STA 760. The Group 14 tension tie modification similar to Group
2, except at STA 940. This group requires 142U0102-232 tension tie
modification kit.
-14
Group 14 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 14 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
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### Page 15

DESCRIPTIONCONFIGURATIONGROUP
747-100 airplanes with tension ties from STA 840 to STA 940 that
have a unique configuration. This group requires 142U0102-232
tension tie modification kit.
-15
Group 15 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 15 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747-200C airplanes with tension ties from STA 800 to STA 940, and
a unique frame configuration.
-16
Group 16 airplanes not modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
1
Group 16 airplanes that were modified in accordance with the Original
Issue, Revision 1, or Revision 2 of this service bulletin.
2
747SP airplanes that have tension ties from STA 1040 to STA 1140.-17
747SP airplanes that have tension ties from STA 1060 to STA 1140.-18
Airplane Models:
747-100, 747-100B, 747-200B, 747-200C, 747-200F, 747-400F, 747SP, 747SR
GroupVariable Number
13RA001 - RA025
11RA026
1RA027 - RA028
11RA029
1RA030 - RA032
11RA033
1RA034
15RA101 - RA103
14RA104 - RA110
11RA111 - RA112
2RA113 - RA115
11RA161 - RA162
12RA163
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GroupVariable Number
3RA164
14RA201 - RA203
1RA216
3RA217
1RA245
4RA246
13RA251 - RA254
1RA255
3RA256 - RA266
13RA301 - RA303
1RA304 - RA306
3RA307 - RA313
4RA314 - RA317
6RA318
13RA351 - RA355
1RA356 - RA360
1RA369 - RA371
3RA372 - RA373
14RA401 - RA403
2RA404 - RA412
3RA413
4RA414 - RA418
1RA501 - RA502
13RA521 - RA523
12RA524
3RA525 - RA528
1RA532 - RA534
3RA535 - RA543
4RA544 - RA548
13RA551 - RA552
1RA559 - RA560
3RA561
1RA581 - RA582
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GroupVariable Number
3RA585
1RA601 - RA602
1RA631
11RA632
1RA633
12RA634 - RA635
1RA651 - RA652
1RA671 - RA674
3RA675 - RA677
1RA701
3RA702
1RA721 - RA722
3RA723 - RA724
4RA725 - RA731
1RA741 - RA743
3RA744 - RA745
4RA749 - RA750
1RA761 - RA762
1RA781
4RA782 - RA783
5RA784
15RA901 - RA902
14RA903 - RA904
2RA905 - RA909
11RA910 - RA916
4RB001 - RB016
15RB041
14RB042
15RB043
2RB044
3RB071 - RB075
1RB101 - RB102
6RB411 - RB413
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GroupVariable Number
4RB421
4RB601 - RB603
5RB604 - RB605
4RB606
5RB607
6RB681 - RB695
7RB696
6RB697
6RB711
4RB721 - RB723
4RB741 - RB748
4RD001 - RD004
4RD021 - RD022
5RD041
4RD042
5RD043 - RD044
4RD045 - RD054
5RD055
4RD056 - RD059
4RD071 - RD072
4RD081
7RD082 - RD083
6RD091 - RD092
4RD101 - RD104
4RD121
6RD122 - RD127
6RD131 - RD141
7RD142
6RD143
7RD144
6RD166 - RD167
4RD171 - RD172
6RD181 - RD183
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GroupVariable Number
6RD201 - RD204
6RD221 - RD224
7RD225
6RD226
7RD227
6RD231 - RD232
7RD233 - RD235
6RD241 - RD243
4RD251 - RD262
6RD271 - RD272
6RD291 - RD292
7RD301 - RD302
6RD311
6RD351 - RD357
7RD358
7RD361 - RD366
7RD411 - RD412
6RD413 - RD414
6RD421 - RD426
4RD431 - RD435
7RD441 - RD442
6RD451 - RD456
7RD461
6RD471 - RD475
6RD513 - RD519
6RD531 - RD533
5RD551
6RD561
4RD571
7RD581 - RD583
6RD591 - RD593
4RD621
5RD622 - RD623
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GroupVariable Number
7RD641 - RD643
6RD644 - RD645
7RD646
6RD647 - RD649
6RD651 - RD659
6RD661
4RD671
6RD681 - RD682
7RD691
6RD692
6RD701 - RD702
6RD741 - RD742
6RD751
7RD752
6RD753 - RD755
6RD761
6RD771 - RD775
6RD781 - RD783
6RD791 - RD792
6RE001
17RG001 - RG009
17RG091
17RG095
17RG101 - RG104
17RG121 - RG126
17RG141 - RG142
17RG161 - RG164
17RG171 - RG174
17RG191 - RG193
17RG211 - RG213
17RG221 - RG222
18RH101 - RH102
17RH111 - RH112
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GroupVariable Number
17RH121 - RH122
9RJ131 - RJ133
9RJ151 - RJ152
16RJ301 - RJ303
16RJ321 - RJ322
16RJ331 - RJ333
10RL401 - RL403
10RL411 - RL436
10RL451 - RL456
10RL461 - RL462
10RL471 - RL481
10RL491 - RL492
10RL501 - RL502
10RL511 - RL516
10RL521 - RL522
10RL531 - RL534
10RL551
10RL561 - RL568
10RL571 - RL572
10RL576 - RL577
10RL579
10RL581 - RL586
10RL651 - RL655
10RL671 - RL675
10RL681 - RL684
10RL751 - RL752
10RM851 - RM859
10RM861 - RM863
10RM871 - RM899
10RM901 - RM906
10RM911
8RR001 - RR005
8RR021 - RR025
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GroupVariable Number
8RR031
8RR201 - RR206
8RR221 - RR226
8RR261 - RR267
8RR301 - RR310
8RR331 - RR332
8RR336
8RR341 - RR345
8RR361 - RR362
8RR421 - RR422
8RR431 - RR432
8RR441 - RR442
8RR451
8RR501 - RR504
8RR521 - RR522
8RR526
8RR531
8RR551 - RR556
8RR561
8RR566
10RR701
10RR721 - RR724
10RR746 - RR748
10RR851 - RR856
10RR861 - RR862
10RR951 - RR952
2. Spares Affected
None.
B. Concurrent Requirements
None.
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C. Reason
This service bulletin gives instructions for modification of upper deck tension ties and adjacent frame
structure on non stretched upper deck (Non-SUD) airplanes. The tension ties have been determined
to be structure that is susceptible to Widespread Fatigue Damage (WFD). WFD can cause tension ties
to become severed or disconnected from the frames. Severed or disconnected Tension Ties and/or
Frames at multiple locations could result in rapid in-flight decompression.
For more information about WFD, refer to Boeing Service Letter 747-SL-53-088.
Service Bulletin 747-53A2502 recommends initial and repeat inspections of Non-SUD airplane tension
ties from body station (STA) 760 to STA 940 (STA 1040 to STA 1140 for 747SP). Service Bulletin
747-53A2502 was issued to address multiple reports of cracks found in tension ties and adjacent frame
structure.
Group 1-16:
Accomplishment of the modification in this service bulletin terminates the repeat inspection requirement
of Service Bulletin 747-53A2502.
Group 17-18:
Accomplishment of the modification in this service bulletin does not terminate the repeat inspection
requirement of Service Bulletin 747-53A2502, but a new inspection threshold is provided.
As a part of a service bulletin validation program, this modification and inspection was completed on
airplane RD041 by Service Bulletin 747-53A2605, Original Issue. The modification and inspection
completed on airplane RD041 by Service Bulletin 747-53A2605, Original Issue is equivalent to the
Revision 2 of this service bulletin. Airplane RD041 has the configuration of a Group 5 airplane.
Boeing Service Related Problem (SRP) 747-SRP-53-0200 and 747-SRP-53-0438 are related to this
service bulletin.
Revision 1 was sent to add more airplanes to the service bulletin effectivity and add Appendix A to give
information on methods for disconnecting tension ties.
Revision 2 was sent to tell operators that new retrofit drawings have been added for airplanes with
barrier net fittings installed under the shear ties located at frame station (STA) 860.
Subsequent to the release of Revision 2 of this service bulletin, Boeing has determined that additional
inspections are required in the center sections of the tension ties where the tension tie channels are
not replaced and where fastener holes are not zero-timed during modification.
Revision 3 is sent to add the requirement to do surface high frequency eddy current (HFEC) inspection
where fastener holes are not zero-timed during modification on Group 1-16 airplanes. Revision 3 also
adds instructions for post-modification inspection of the entire tension tie for Group 1-16 airplanes, and
adds effectivity and modification instructions for 747SP (Group 17-18) airplanes.
D. Description
Get access to the Frame to Tension Tie joints in Section 42. At each station, disconnect and remove
a section of the tension tie between the frame and approximate Buttock Line (BL) 36. For each frame,
remove a specified section of the frame above and below the tension tie attach point. After the existing
frame and tension tie structure has been removed and discarded, install new frame and tension tie
structure. Do the modification on both sides of the airplane.
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Group 1-16:
Do surface high frequency eddy current (HFEC) inspection of the tension ties at fastener locations
where the holes were not zero-timed during modification. If cracks are found, contact Boeing for repair
instructions and do the repair.
Group 1-16:
After modification, do initial and repeat detailed, high frequency eddy current (HFEC), and low frequency
eddy current (LFEC) inspections of the tension ties at the compliance time specified in paragraph 1.E.,
Compliance. If cracks are found, contact Boeing for repair instructions and do the repair.
Group 17-18:
After modification, do initial and repeat detailed and HFEC inspections for cracks in all tension ties,
adjacent frame structure, and adjacent structure that attaches to the tension ties. If cracks are found,
contact Boeing for repair instructions and do the repair.
Revision 1 - No more work is necessary on airplanes changed in accordance with the original issue of
this service bulletin.
Revision 2 - No more work is necessary on airplanes changed in accordance with the original issue or
Revision 1 of this service bulletin.
Revision 3 - More work is necessary on airplanes modified in accordance with the original issue,
Revision 1, or Revision 2 of this service bulletin. Airplanes previously modified in accordance with this
service bulletin will require surface high frequency eddy current (HFEC) inspection for cracks in the
forward and aft tension tie channels around fasteners in unmodified areas where fastener holes were
not zero-timed during modification. Refer to paragraph 1.E., Compliance for the compliance time of
this additional inspection. However, no additional modification is necessary.
The work in this service bulletin is done in the maintenance zone(s) given below.
Group 1, 3:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-100, 747-200B
Group 2, 11-15:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-100
Group 4, 6:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-100, 747-100B, 747-200B,
747SR
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Group 5, 7:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-200B, 747SR
Group 8:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-200F
Group 9, 16:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-200C
Group 10:
Affected Maintenance Zones
ZoneModel
233, 234, 243, 244747-400F
Group 17-18:
Affected Maintenance Zones
ZoneModel
243, 244747SP
E. Compliance
Federal Aviation Administration (FAA) Airworthiness Directives AD 84-19-01, AD 94-13-06, AD
2004-07-22 R1, and AD 2012-13-08  are related to this service bulletin.
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Group 1-16, Configuration 1:
Table 1: Tension Tie and Frame - Inspection and Modification
Repeat Interval
(Not to Exceed)
Compliance Time (Whichever
Occurs Later)
ActionCondition
-Within 3,000
flight cycles af-
ter August 14,
2012 (the effec-
tive date of AD
2012-13-08).
Before 30,000
total flight cy-
cles.
Do tension tie and frame modifica-
tion in accordance with Paragraph
3.B., Work Instructions, PART 1.
(a)
All airplanes.
AND
-Within 3,000
flight cycles af-
ter the Revision
3 date of this
service bulletin.
Concurrently
with modifica-
tion in accor-
dance with
Paragraph 3.B.,
Work Instruc-
tions, PART 1.
Do surface high frequency eddy
current (HFEC) inspections for
cracks in the tension tie center
sections in accordance with
Paragraph 3.B., Work Instruc-
tions, PART 4. (b)
-Before further flight.Contact Boeing for repair instruc-
tions, and do the repair.
Any crack found.
-At the times specified in Para-
graph 1.E., Compliance, Tables
2, 3 and 4, as applicable.
Do post-modification inspections
in accordance with Paragraph
1.E., Compliance, Tables 2, 3 and
4, as applicable.
No crack found.
(a) Due to the post-modification inspection requirements, Boeing does not recommend tension tie modification
prior to 15,000 total flight cycles.
(b) Boeing recommends accomplishment of the HFEC inspection before beginning the modification in case
cracks are found in the center section and repairs are necessary that may affect the modification.
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Group 5, 7-8, 10-12, 15:
Table 2: Post-Modification Detailed Inspection of Unmodified Areas of the Tension Ties
Repeat Interval
(Not to Exceed)
Compliance TimeActionCondition
-Within 6,000 flight cycles after
modification in accordance with
Paragraph 3.B., Work Instructions,
PART 1.
Do a detailed inspection
for cracks in the unmodi-
fied areas of the tension
ties in accordance with
Paragraph 3.B., Work In-
structions, PART 2.
Modification has been done
in accordance with Para-
graph 3.B., Work Instruc-
tions, PART 1 of this ser-
vice bulletin.
3,000 flight cycles.-Repeat the detailed in-
spection for cracks in the
unmodified areas of the
tension ties in accor-
dance with Paragraph
3.B., Work Instructions,
PART 2.
No crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 2.
-Before further flight.Contact Boeing for repair
instructions, and do the
repair.
Any crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 2. AND
3,000 flight cycles.-Repeat the detailed in-
spection for cracks in the
unmodified areas of the
tension ties in accor-
dance with Paragraph
3.B., Work Instructions,
PART 2.
Group 1-4, 6, 9, 13-14, 16:
Table 3: Post-Modification Detailed Inspection of Unmodified Areas of the Tension Ties
Repeat Interval
(Not to Exceed)
Compliance TimeActionCondition
-Within 6,000 flight cycles after
modification in accordance with
Paragraph 3.B., Work Instructions,
PART 1.
Do a detailed inspection
for cracks in the unmodi-
fied areas of the tension
ties in accordance with
Paragraph 3.B., Work In-
structions, PART 2.
Modification has been done
in accordance with Para-
graph 3.B., Work Instruc-
tions, PART 1 of this ser-
vice bulletin.
4,000 flight cycles.-Repeat the detailed in-
spection for cracks in the
unmodified areas of the
tension ties in accor-
dance with Paragraph
3.B., Work Instructions,
PART 2.
No crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 2.
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Group 1-4, 6, 9, 13-14, 16:
Table 3: Post-Modification Detailed Inspection of Unmodified Areas of the Tension Ties
Repeat Interval
(Not to Exceed)
Compliance TimeActionCondition
-Before further flight.Contact Boeing for repair
instructions, and do the
repair.
Any crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 2. AND
4,000 flight cycles.-Repeat the detailed in-
spection for cracks in the
unmodified areas of the
tension ties in accor-
dance with Paragraph
3.B., Work Instructions,
PART 2.
Group 1-16:
Table 4: Post-Modification Inspections of the Tension Ties in all Areas (Modified and Unmodified areas)
Repeat Interval
(Not to Exceed)
Compliance TimeActionCondition
-Within 20,000 flight cycles after
modification in accordance with
Paragraph 3.B., Work Instructions,
PART 1.
Do eddy current inspec-
tions for cracks in all ar-
eas of the tension ties in
accordance with Para-
graph 3.B., Work Instruc-
tions, PART 3.
Modification has been done
in accordance with Para-
graph 3.B., Work Instruc-
tions, PART 1 of this ser-
vice bulletin.
3,000 flight cycles.-Repeat the eddy current
inspections for cracks in
all areas of the tension
ties in accordance with
Paragraph 3.B., Work In-
structions, PART 3.
No crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 3.
-Before further flight.Contact Boeing for repair
instructions, and do the
repair.
Any crack found during in-
spection in accordance
with Paragraph 3.B., Work
Instructions, PART 3. AND
3,000 flight cycles.-Repeat the eddy current
inspections for cracks in
all areas of the tension
ties in accordance with
Paragraph 3.B., Work In-
structions, PART 3.
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Group 1-16, Configuration 2:
Table 5: Surface HFEC Inspection of Unmodified Tension Tie Center Sections (More Work)
Compliance Time (Whichever Occurs Later)ActionCondition
Within 1,000 flight cycles
after the Revision 3 date
of this service bulletin.
Within 3,000 flight cycles
after accomplishment of
the modification in accor-
dance with Paragraph
3.B., Work Instructions,
PART 1.
Do a surface HFEC inspection for
cracks in unmodified center sec-
tions of the tension tie channels
in accordance with Paragraph
3.B., Work Instructions, PART 4.
All airplanes.
-Before further flight.Contact Boeing for repair instruc-
tions, and do the repair.
Any crack found.
--No further action is required until
you begin inspections in accor-
dance with Paragraph 1.E., Com-
pliance, Tables 2, 3, and 4, as
applicable.
No crack found.
Group 17:
Table 6: Modification and Post-Modification Inspection of Tension Ties and Frame Segments
Repeat Interval
(Not to Exceed)
Compliance Time (Whichever
Occurs Later)
ActionCondition
-Within 3,000
flight cycles after
August 14, 2012
(the effective
date of AD 2012-
13-08).
Before 30,000
total flight cycles.
At each station location
from STA 1040 to STA
1140, remove and replace
existing tension tie and
frame structure with new
structure which is the
same as the original pro-
duction parts in accor-
dance with Paragraph 3.B.,
Work Instructions, PART
5.
All airplanes.
4,000 flight cy-
cles.
-Within 20,000
flight cycles after
the tension tie
and frame struc-
ture was re-
placed in accor-
dance with Para-
graph 3.B., Work
Instructions,
PART 5.
Do inspections of the re-
placed tension tie and
frame structure in accor-
dance with Service Bulletin
747-53A2502.
Tension tie and frame
structure has been re-
moved and replaced
with new parts in accor-
dance with Paragraph
3.B., Work Instructions,
PART 5.
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Group 18:
Table 7: Modification and Post-Modification Inspection of Tension Ties and Frame Segments
Repeat Interval
(Not to Exceed)
Compliance Time (Whichever
Occurs Later)
ActionCondition
-Within 3,000
flight cycles after
August 14, 2012
(the effective
date of AD 2012-
13-08).
Before 30,000
total flight cycles.
At each station location
from STA 1060 to STA
1140, remove and replace
existing tension tie and
frame structure with new
structure which is the
same as the original pro-
duction parts in accor-
dance with Paragraph 3.B.,
Work Instructions, PART
6.
All airplanes.
4,000 flight cy-
cles.
-Within 20,000
flight cycles after
the tension tie
and frame struc-
ture was re-
placed in accor-
dance with Para-
graph 3.B., Work
Instructions,
PART 6.
Do inspections of the re-
placed tension tie and
frame structure in accor-
dance with Service Bulletin
747-53A2502.
Tension tie and frame
structure has been re-
moved and replaced
with new parts in accor-
dance with Paragraph
3.B., Work Instructions,
PART 6.
F. Approval
This service bulletin was examined by the Federal Aviation Administration (FAA). The changes specified
in this service bulletin comply with the applicable regulations and are FAA approved, as well as European
Aviation Safety Agency (EASA)/Joint Aviation Authorities (JAA) approved for all EASA/JAA approved
airplanes listed in the service bulletin effectivity. This service bulletin and its approval were based on
the airplane in its original Boeing delivery configuration or as modified by other approved Boeing
changes.
If an airplane has a non-Boeing modification or repair that affects a component or system also affected
by this service bulletin, the operator is responsible for obtaining appropriate regulatory agency approval
before incorporating this service bulletin.
This SB has been approved by the FAA. In addition, the Manager of the Seattle Aircraft Certification
Office (ACO) approves the accomplishment of the modification, post modification inspection and
corrective action with the corresponding compliance times specified in Table 1, under paragraph 1.E.,
"Compliance," of SB 747-53A2605, Revision 3, as an AMOC to the inspections and corrective action
required by paragraphs (h) and (i) of AD 2004-07-22 R1, for the inspection of Structural Significant
Item (SSI) F-19A of the Supplemental Structural Inspection Document (SSID) D6-35022, Revision G.
This AMOC only applies to the areas inspected by this service bulletin. When this SB specifies contacting
Boeing for repair instructions and post modification inspections, the repair instructions and post
modification inspections must be approved by the FAA in accordance with paragraph (I) of the AD. All
provisions of AD 2004-07-22 R1 that are not specifically referenced in this paragraph remain fully
applicable and must be complied with accordingly.
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Group 1-16:
In addition, the Manager of the Seattle ACO approves the accomplishment of the inspections,
modification, post-modification inspections, and related corrective actions with corresponding compliance
times specified in Tables 1, 2, 3, 4, and 5 (as applicable) under paragraph 1.E., "Compliance," of Service
Bulletin 747-53A2605, Revision 3 as an AMOC to the inspections, investigative actions, modification,
post-modification, and repair actions with corresponding compliance times required by paragraphs (g),
(h), (i), (j)(1), (k), and (l) of AD 2012-13-08. When this service bulletin specifies contacting Boeing for
repair instructions, the repair instructions must be approved by the FAA in accordance with paragraph
(n) of the AD. All provisions of AD 2012-13-08 that are not specifically referenced in this paragraph
remain fully applicable and must be complied with accordingly.
Group 17-18:
In addition, the Manager of the Seattle ACO approves the accomplishment of the modification and
post-modification inspections with corresponding compliance times specified in Table 6 or 7 (as
applicable) under paragraph 1.E., "Compliance," of Service Bulletin 747-53A2605, Revision 3 as an
AMOC to the inspections, investigative actions, corrective actions, modification, and post-modification
actions with corresponding compliance times required by paragraphs (g) and (j)(2) of AD 2012-13-08.
When this service bulletin specifies contacting Boeing for repair instructions, the repair instructions
must be approved by the FAA in accordance with paragraph (n) of the AD. All provisions of AD
2012-13-08 that are not specifically referenced in this paragraph remain fully applicable and must be
complied with accordingly.
In addition, the Manager of the Seattle ACO approves the accomplishment of the modification,
inspections and repair with the corresponding compliance times specified in Tables 1, 2, 3, 4, and 5
under paragraph 1.E., "Compliance," of Service Bulletin 747-53A2605, Revision 3 as an AMOC to the
inspections, repair and modification with the corresponding compliance times required by paragraphs
A. and B. of AD 84-19-01. When this service bulletin specifies contacting Boeing for repair instructions,
the repair instructions must be approved by the FAA in accordance with paragraph C. of the AD. All
provisions of AD 84-19-01 that are not specifically referenced in this paragraph, including but not limited
to repeat inspections in accordance with paragraphs A. and B. until the modification in accordance with
Service Bulletin 747-53A2605, Revision 3 is installed, remain fully applicable and must be complied
with accordingly.
In addition, the Manager of the Seattle ACO approves the accomplishment of the modification,
inspections and repair with the corresponding compliance times specified in Tables 1, 2, 3, 4, and 5
under paragraph 1.E., "Compliance," of Service Bulletin 747-53A2605, Revision 3 as an AMOC to the
inspections, repair and modification with the corresponding compliance times required by paragraphs
(a) and (b) of AD 94-13-06. When this service bulletin specifies contacting Boeing for repair instructions,
the repair instructions must be approved by the FAA in accordance with paragraph (c) of the AD. All
provisions of AD 94-13-06 that are not specifically referenced in this paragraph, including but not limited
to repeat inspections in accordance with paragraphs (a) and (b) until the modification in accordance
with Service Bulletin 747-53A2605, Revision 3 is installed, remain fully applicable and must be complied
with accordingly.
G. Manpower
The table below shows an estimate of the task hours necessary to do the modification for each airplane.
This estimate is for direct labor only, done by an experienced crew. Adjust the estimate with operator
task hour data if necessary. The estimate does not include lost time. These are some examples of lost
time:
— Time to adjust to the workplace
— Time to schedule the work
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— Time to inspect the work
— Time to cure the materials
— Time to make the parts
— Time to find the tools.
Elapsed HoursTask HoursNumber of PersonsTask
6.0024.004Access
7.5030.004Restoration
13.5054.00TOTAL FOR EACH AIRPLANE
Group 1-5, 8-9, 11-16:
Shear Panel Removal/Installation
Elapsed HoursTask HoursNumber of PersonsTask
5.0010.002Remove
5.0010.002Install
10.0020.00TOTAL FOR EACH AIRPLANE
Group 6-7:
Shear Panel Removal/Installation
Elapsed HoursTask HoursNumber of PersonsTask
5.0010.002Remove
5.0010.002Install
10.0020.00TOTAL FOR EACH AIRPLANE
Group 10:
Shear Panel Removal/Installation
Elapsed HoursTask HoursNumber of PersonsTask
5.0010.002Remove
5.0010.002Install
10.0020.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 720 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.5014.004Remove
3.5014.004Install
7.0028.00TOTAL FOR EACH AIRPLANE
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Group 10:
STA 740 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.5014.004Remove
3.5014.004Install
7.0028.00TOTAL FOR EACH AIRPLANE
Group 1, 13:
STA 760 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.7515.004Remove
3.7515.004Install
7.5030.00TOTAL FOR EACH AIRPLANE
Group 2-3, 14:
STA 760 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.2513.004Remove
3.2513.004Install
6.5026.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 760 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.0012.004Remove
3.0012.004Install
6.0024.00TOTAL FOR EACH AIRPLANE
Group 1-2, 8, 11, 13-15:
STA 780 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.5014.004Remove
3.5014.004Install
7.0028.00TOTAL FOR EACH AIRPLANE
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Group 3, 12:
STA 780 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.2513.004Remove
3.2513.004Install
6.5026.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 780 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
2.5010.004Remove
2.5010.004Install
5.0020.00TOTAL FOR EACH AIRPLANE
Group 1-5, 8-9, 11-16:
STA 800 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
3.2513.004Remove
3.2513.004Install
6.5026.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 800 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
2.5010.004Remove
2.5010.004Install
5.0020.00TOTAL FOR EACH AIRPLANE
Group 1-5, 9, 11-16:
STA 820 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
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Group 8, 10:
STA 820 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.7555.004Remove
13.7555.004Install
27.50110.00TOTAL FOR EACH AIRPLANE
Group 1-5, 9-16:
STA 840 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.0048.004Remove
12.0048.004Install
24.0096.00TOTAL FOR EACH AIRPLANE
Group 6-7:
STA 840 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
11.7547.004Remove
11.7547.004Install
23.5094.00TOTAL FOR EACH AIRPLANE
Group 8:
STA 840 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
Group 1-5, 8, 11-15:
STA 860 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.7555.004Remove
13.7555.004Install
27.50110.00TOTAL FOR EACH AIRPLANE
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### Page 36

Group 6-7:
STA 860 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
Group 9, 16:
STA 860 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.5054.004Remove
13.5054.004Install
27.00108.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 860 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.7551.004Remove
12.7551.004Install
25.50102.00TOTAL FOR EACH AIRPLANE
Group 1-9, 11-16:
STA 880 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
14.0056.002Remove
14.0056.002Install
28.00112.00TOTAL FOR EACH AIRPLANE
Group 10:
STA 880 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.5050.004Remove
12.5050.004Install
25.00100.00TOTAL FOR EACH AIRPLANE
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### Page 37

Group 1-4, 6, 13-14:
STA 900 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
Group 5, 7, 16:
STA 900 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.2549.004Remove
12.2549.004Install
24.5098.00TOTAL FOR EACH AIRPLANE
Group 8:
STA 900 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.7551.004Remove
12.7551.004Install
25.50102.00TOTAL FOR EACH AIRPLANE
Group 9-10:
STA 900 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.0048.004Remove
12.0048.004Install
24.0096.00TOTAL FOR EACH AIRPLANE
Group 11-12, 15:
STA 900 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
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### Page 38

STA 920 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
12.5050.004Remove
12.5050.004Install
25.00100.00TOTAL FOR EACH AIRPLANE
Group 1-2, 11:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
14.2557.004Remove
14.2557.004Install
28.50114.00TOTAL FOR EACH AIRPLANE
Group 3-4, 6, 12:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
14.5058.004Remove
14.5058.004Install
29.00116.00TOTAL FOR EACH AIRPLANE
Group 5, 7, 9, 16:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
16.0064.004Remove
16.0064.004Install
32.00128.00TOTAL FOR EACH AIRPLANE
Group 8:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
14.0056.004Remove
14.0056.004Install
28.00112.00TOTAL FOR EACH AIRPLANE
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Group 10:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
16.2565.004Remove
16.2565.004Install
32.50130.00TOTAL FOR EACH AIRPLANE
Group 13-15:
STA 940 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
13.0052.004Remove
13.0052.004Install
26.00104.00TOTAL FOR EACH AIRPLANE
Group 17:
STA 1040 - STA 1140 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
32.25129.004Remove
64.50258.004Install
96.75387.00TOTAL FOR EACH AIRPLANE
Group 18:
STA 1060 - STA 1140 Tension Tie and Frame Modification
Elapsed HoursTask HoursNumber of PersonsTask
27.00108.004Remove
54.00216.004Install
81.00324.00TOTAL FOR EACH AIRPLANE
Group 1-3, 13-14:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
25.00100.004FIGURE 1
25.00100.00TOTAL FOR EACH AIRPLANE
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### Page 40

Group 4, 9:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
20.0080.004FIGURE 2
20.0080.00TOTAL FOR EACH AIRPLANE
Group 5, 16:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
17.5070.004FIGURE 3
17.5070.00TOTAL FOR EACH AIRPLANE
Group 6:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
15.0060.004FIGURE 4
15.0060.00TOTAL FOR EACH AIRPLANE
Group 7:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
12.5050.004FIGURE 5
12.5050.00TOTAL FOR EACH AIRPLANE
Group 8, 11-12, 15:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
20.0080.004FIGURE 6
20.0080.00TOTAL FOR EACH AIRPLANE
Group 10:
Surface HFEC Inspection of Tension Tie Center Sections
Elapsed HoursTask HoursNumber of PersonsTask
30.00120.004FIGURE 7
30.00120.00TOTAL FOR EACH AIRPLANE
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### Page 41

Group 1-16:
Post-Modification Inspections of All Areas of the Tension Ties
Elapsed HoursTask HoursNumber of PersonsTask
9.00 (a)18.00 (a)2FIGURE 8
9.00 (a)18.00 (a)2FIGURE 9
(a)(a)TOTAL FOR EACH TENSION TIE
(a) Estimates given are for each tension tie location. Multiply the estimates by the
number of tension ties to determine the total estimate for the airplane.
H. Weight and Balance Changes
Group 1-2, 13-14:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+247016.2+286.2747-100, 747-200B
Group 3:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+241382.6+280.2747-100, 747-200B
Group 4-5, 9, 16:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+213354.9+243.8747-100, 747-100B,
747-200B, 747SR,
747-200C
Group 6-7:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+172879.8+193.9747-100, 747-100B,
747-200B, 747SR
Group 8, 12:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+227550.8+262.0747-100, 747-200F
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### Page 42

Group 10:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+273811.8+322.6747-400F
Group 11, 15:
Change in Moment
(Pound-Inches)
Change in Weight
(Pounds)Airplane
+233184.4+268.0747-100
Group 17-18:
None.
I. Electrical Load Data
Not changed.
J. References
1. Existing Data:
a. Engineering Change Memo PRR 85901-68RS
b. Boeing Service Bulletin 747-53A2502, 747-53A2605
c. Boeing Service Letter 747-SL-51-048, 747-SL-53-088
d. Boeing Service Related Problem (SRP) 747-SRP-53-0200, 747-SRP-53-0438
e. Federal Aviation Administration (FAA) Airworthiness Directive (AD) 2004-07-22 R1, 2012-13-08,
84-19-01, 94-13-06
f. Standard Overhaul Practices Manual (SOPM) 20-41-01, 20-41-05, 20-43-03
g. 747 Non-Destructive Testing (NDT) Manual Part 6, 51-00-00, Part 6, 51-00-26
h. 747-100/200/300 Aircraft Maintenance Manual (AMM) 24-22-00, 25-21-04, 25-22-01, 25-25-01
i. 747-100/200/300 Structural Repair Manual (SRM) 51-10-01, 51-30-09
j. 747-400 Aircraft Maintenance Manual (AMM) 24-22-00, 25-21-04, 25-22-01, 25-25-01
k. 747-400F Structural Repair Manual (SRM) 51-10-02, 51-40-09
2. Data Supplied with this Service Bulletin:
a. Drawings:
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### Page 43

ADCNDCN/REVSheetTitleDrawing No
-A1TOP KIT - FRAME AND TENSION TIE
MODIFICATION, STA 720 - STA 940
142U0100
--10
--11
-A12
-A13
--14
--15
--2
--3
--4
--5
-A6
--7
-A8
-A9
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1001
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1002
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1003
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1004
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1005
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1006
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1007
-CKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1008
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1009
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1010
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1011
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### Page 44

ADCNDCN/REVSheetTitleDrawing No
-BKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1012
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-1013
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-2001
-AKPLTOP KIT - FRAME AND TENSION TIE
MODIFICATION
142U0100-2002
--1KIT - FRAME MODIFICATION, STA 820 -
STA 940
142U0101
--10
--11
--12
--13
--14
--15
-A16
--17
-A18
--19
--2
--20
--21
--22
--23
--24
--3
--4
-A5
-A6
--7
-A8
--9
-CPSDLKIT - FRAME MODIFICATION, STA 820 -
STA 940
142U0101#DL
-AKPLKIT - FRAME MODIFICATION142U0101-101
Export Controlled ECCN: 9E991 - BOEING
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### Page 45

ADCNDCN/REVSheetTitleDrawing No
-AKPLKIT - FRAME MODIFICATION142U0101-102
-AKPLKIT - FRAME MODIFICATION142U0101-103
-AKPLKIT - FRAME MODIFICATION142U0101-104
-AKPLKIT - FRAME MODIFICATION142U0101-105
-AKPLKIT - FRAME MODIFICATION142U0101-106
-AKPLKIT - FRAME MODIFICATION142U0101-107
-AKPLKIT - FRAME MODIFICATION142U0101-108
-AKPLKIT - FRAME MODIFICATION142U0101-109
-AKPLKIT - FRAME MODIFICATION142U0101-110
-AKPLKIT - FRAME MODIFICATION142U0101-111
-AKPLKIT - FRAME MODIFICATION142U0101-112
-AKPLKIT - FRAME MODIFICATION142U0101-113
-AKPLKIT - FRAME MODIFICATION142U0101-114
-AKPLKIT - FRAME MODIFICATION142U0101-115
-AKPLKIT - FRAME MODIFICATION142U0101-116
-AKPLKIT - FRAME MODIFICATION142U0101-117
-AKPLKIT - FRAME MODIFICATION142U0101-119
-AKPLKIT - FRAME MODIFICATION142U0101-120
-AKPLKIT - FRAME MODIFICATION142U0101-121
-AKPLKIT - FRAME MODIFICATION142U0101-123
-AKPLKIT - FRAME MODIFICATION142U0101-124
-AKPLKIT - FRAME MODIFICATION142U0101-125
-AKPLKIT - FRAME MODIFICATION142U0101-126
-AKPLKIT - FRAME MODIFICATION142U0101-127
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### Page 46

ADCNDCN/REVSheetTitleDrawing No
-A1KIT - TENSION TIE MODIFICATION, STA
720 - STA 940
142U0102
-A10
-A11
-A12
-A13
-A14
-B15
-B16
-A17
-A18
-A19
-A2
-A20
-A21
-A22
-A23
-A24
-A25
-A26
-A27
-A28
-A29
-A3
-A30
-A31
-A32
-A33
--34
--35
--36
--37
-A4
-A5
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### Page 47

ADCNDCN/REVSheetTitleDrawing No
6- A
-A7
-A8
-A9
-APSDLKIT - TENSION TIE MODIFICATION, STA
720 - STA 940
142U0102#DL
-BKPLKIT - TENSION TIE MODIFICATION142U0102-201
-BKPLKIT - TENSION TIE MODIFICATION142U0102-202
-BKPLKIT - TENSION TIE MODIFICATION142U0102-203
-BKPLKIT - TENSION TIE MODIFICATION142U0102-204
-BKPLKIT - TENSION TIE MODIFICATION142U0102-205
-BKPLKIT - TENSION TIE MODIFICATION142U0102-206
-BKPLKIT - TENSION TIE MODIFICATION142U0102-207
-BKPLKIT - TENSION TIE MODIFICATION142U0102-208
-BKPLKIT - TENSION TIE MODIFICATION142U0102-209
-BKPLKIT - TENSION TIE MODIFICATION142U0102-210
-BKPLKIT - TENSION TIE MODIFICATION142U0102-211
-BKPLKIT - TENSION TIE MODIFICATION142U0102-212
-BKPLKIT - TENSION TIE MODIFICATION142U0102-213
-BKPLKIT - TENSION TIE MODIFICATION142U0102-214
-BKPLKIT - TENSION TIE MODIFICATION142U0102-215
-BKPLKIT - TENSION TIE MODIFICATION142U0102-216
-BKPLKIT - TENSION TIE MODIFICATION142U0102-217
-BKPLKIT - TENSION TIE MODIFICATION142U0102-218
-BKPLKIT - TENSION TIE MODIFICATION142U0102-219
-BKPLKIT - TENSION TIE MODIFICATION142U0102-220
-BKPLKIT - TENSION TIE MODIFICATION142U0102-221
-BKPLKIT - TENSION TIE MODIFICATION142U0102-222
-BKPLKIT - TENSION TIE MODIFICATION142U0102-223
-BKPLKIT - TENSION TIE MODIFICATION142U0102-224
-BKPLKIT - TENSION TIE MODIFICATION142U0102-225
-BKPLKIT - TENSION TIE MODIFICATION142U0102-226
-BKPLKIT - TENSION TIE MODIFICATION142U0102-227
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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### Page 48

ADCNDCN/REVSheetTitleDrawing No
-BKPLKIT - TENSION TIE MODIFICATION142U0102-228
-BKPLKIT - TENSION TIE MODIFICATION142U0102-229
-BKPLKIT - TENSION TIE MODIFICATION142U0102-230
-BKPLKIT - TENSION TIE MODIFICATION142U0102-231
-BKPLKIT - TENSION TIE MODIFICATION142U0102-232
-BKPLKIT - TENSION TIE MODIFICATION142U0102-233
-AKPLKIT - TENSION TIE MODIFICATION142U0102-234
-AKPLKIT - TENSION TIE MODIFICATION142U0102-235
-AKPLKIT - TENSION TIE MODIFICATION142U0102-301
-AKPLKIT - TENSION TIE MODIFICATION142U0102-302
-AKPLKIT - TENSION TIE MODIFICATION142U0102-303
--1TENSION TIE - INSPECTION624U0077
--2
-F4FRAME INSTL - STA 104065B01745
-B6
-A7
-YPL
--PSDL
-H1FRAME INSTL - STA 106065B01746
-E4
-C6
-A7
--8
-AAPL
--PSDL
-G1FRAME INSTL - STA 108065B01747
-E4
-C6
-A7
--8
-YPL
--PSDL
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 49

ADCNDCN/REVSheetTitleDrawing No
-E4FRAME INSTL - STA 110065B01748
-B6
-A7
-YPL
--PSDL
-D4FRAME INSTL - STA 112065B01749
-C7
-A8
-YPL
--PSDL
-C10TENSION TIE INSTL - AFT OF UPPER
DECK FLOOR
65B09631
-E9
-AGPL
--PSDL
-C2BULKHEAD INSTL - MID SPAR BODY -
STA 1140
65B18703
-B3
-A4
-APL
--PSDL
3. Installation Drawings Used in the Preparation of this Service Bulletin:
None.
K. Publications Affected
1. Publications
Chapter-SectionPublication
53-11747-100/200/300 Structural Repair Manual
53-20747-400F Structural Repair Manual
2. Damage Tolerance Based Structural Inspections:
Boeing has evaluated the repairs and/or changes in this service bulletin for effects on Fatigue
Critical Structure (FCS) and for changes to Damage Tolerance Inspections (DTI) required in the
Maintenance Program. This service bulletin affects FCS. DTI requirements for the structure affected
are contained in Paragraph 1.E., Compliance of this service bulletin.
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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ALERTALERT

### Page 50

L. Interchangeability and Intermixability of Parts
Accomplishment of this service bulletin does not affect interchangeability or intermixability of parts.
M. Software Accomplishment Summary
Not affected.
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 51

2.    MATERIAL INFORMATION
A. Material - Price and Availability
Boeing can supply the kits shown in Paragraph 2.C., Parts Necessary for Each Airplane. Operators
are encouraged to share schedule requirements with Boeing for incorporation of the service bulletin.
The kits are subject to the terms and conditions of the Boeing standard purchase order acknowledgment.
Prices are in United States Dollars. Terms: Net 30 days.
Reference this service bulletin and submit your purchase order by one of these methods:
1. Order on-line via ATA Spec 2000 or The Boeing PART Page
2. Fax to (206) 662-7145
REFER TO THE BOEING PART PAGE ON MYBOEINGFLEET.COM OR CONTACT FIRST RESPONDER
AT FR@BOEING.COM FOR THE LATEST REORDER LEAD TIME (ROLT) AND PRICE INFORMATION
Price as of the Revi-
sion 02 date of this
Service Bulletin (US
Dollars)
ROLT as of the Revi-
sion 02 date of this
Service Bulletin
(Calendar Days)
QTYDateNameKit Number
635,004.0039918/26/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1001
634,277.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1002
655,323.0039918/28/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1003
623,027.0039918/31/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1004
623,719.0039919/03/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1005
535,131.0039919/04/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1006
535,823.0039919/08/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1007
645,067.0039919/10/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1008
623,537.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1009
658,423.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1010
618,575.0039919/11/09TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1011
639,219.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-1012
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 52

REFER TO THE BOEING PART PAGE ON MYBOEINGFLEET.COM OR CONTACT FIRST RESPONDER
AT FR@BOEING.COM FOR THE LATEST REORDER LEAD TIME (ROLT) AND PRICE INFORMATION
Price as of the Revi-
sion 02 date of this
Service Bulletin (US
Dollars)
ROLT as of the Revi-
sion 02 date of this
Service Bulletin
(Calendar Days)
QTYDateNameKit Number
623,268.00(a)-(a)TOP KIT - FRAME AND TEN-
SION TIE MODIFICATION
142U0100-1013
18,657.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-2001
21,288.00399-(a)TOP KIT - TENSION TIE AND
FRAME MODIFICATION
142U0100-2002
(a) Contact Boeing Spares for kit availability.
NOTE: Due to the limited number of kits available and the long ROLT, Boeing recommends that
operators submit purchase orders 18 months in advance of performing the modification.
B. Industry Support Information
Boeing warranty remedies are not available for the inspection or modification procedures given in this
service bulletin.
C. Parts Necessary for Each Airplane
1. Kits/Parts:
NOTE: The top kits shown in the table that follows and the items shown in Paragraph 2.C.2.,
Parts and Materials Supplied by the Operator, are necessary for each airplane.
To get the kits/parts shown below, refer to Paragraph 2.A., Material - Price and Availability.
Top KitGroup(s)
142U0100-1001 and 142U0100-20021
142U0100-1002 and 142U0100-20022
142U0100-10033
142U0100-10044
142U0100-10055
142U0100-10066
142U0100-10077
142U0100-10088
142U0100-10099
142U0100-101010
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 53

Top KitGroup(s)
142U0100-1011 and 142U0100-200211
142U0100-101212
142U0100-1001 and 142U0100-200113
142U0100-1002 and 142U0100-200114
142U0100-1011 and 142U0100-200115
142U0100-101316
(a)17-18
(a) Only operator supplied parts are needed for Group 17-18.
Group 1, 13:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1001
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-101
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-113
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-117
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-121
KIT - TENSION TIE MODI-
FICATION, STA 760
1142U0102-203
KIT - TENSION TIE MODI-
FICATION, STA 780
1142U0102-207
KIT - TENSION TIE MODI-
FICATION, STA 800
1142U0102-210
KIT - TENSION TIE MODI-
FICATION, STA 820
1142U0102-212
KIT - TENSION TIE MODI-
FICATION, STA 840
1142U0102-214
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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### Page 54

Group 1, 13:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1001
KIT - TENSION TIE MODI-
FICATION, STA 860
1142U0102-217
KIT - TENSION TIE MODI-
FICATION, STA 880
1142U0102-220
KIT - TENSION TIE MODI-
FICATION, STA 900
1142U0102-222
KIT - TENSION TIE MODI-
FICATION, STA 920
1142U0102-225
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-301
Group 2, 14:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1002
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-101
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-113
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-117
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-121
KIT - TENSION TIE MODIFI-
CATION, STA 760
1142U0102-204
KIT - TENSION TIE MODIFI-
CATION, STA 780
1142U0102-207
KIT - TENSION TIE MODIFI-
CATION, STA 800
1142U0102-210
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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ALERTALERT

### Page 55

Group 2, 14:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1002
KIT - TENSION TIE MODIFI-
CATION, STA 820
1142U0102-212
KIT - TENSION TIE MODIFI-
CATION, STA 840
1142U0102-214
KIT - TENSION TIE MODIFI-
CATION, STA 860
1142U0102-217
KIT - TENSION TIE MODIFI-
CATION, STA 880
1142U0102-220
KIT - TENSION TIE MODIFI-
CATION, STA 900
1142U0102-222
KIT - TENSION TIE MODIFI-
CATION, STA 920
1142U0102-225
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-301
Group 3:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1003
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-101
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-113
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-117
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-121
KIT - TENSION TIE MODIFI-
CATION, STA 760
1142U0102-205
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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### Page 56

Group 3:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1003
KIT - TENSION TIE MODIFI-
CATION, STA 780
1142U0102-208
KIT - TENSION TIE MODIFI-
CATION, STA 800
1142U0102-210
KIT - TENSION TIE MODIFI-
CATION, STA 820
1142U0102-212
KIT - TENSION TIE MODIFI-
CATION, STA 840
1142U0102-214
KIT - TENSION TIE MODIFI-
CATION, STA 860
1142U0102-217
KIT - TENSION TIE MODIFI-
CATION, STA 880
1142U0102-220
KIT - TENSION TIE MODIFI-
CATION, STA 900
1142U0102-222
KIT - TENSION TIE MODIFI-
CATION, STA 920
1142U0102-225
KIT - TENSION TIE MODIFI-
CATION, STA 940
1142U0102-229
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-301
Group 4:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1004
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-101
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-113
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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### Page 57

Group 4:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1004
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-117
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-121
KIT - TENSION TIE MODI-
FICATION, STA 800
1142U0102-210
KIT - TENSION TIE MODI-
FICATION, STA 820
1142U0102-212
KIT - TENSION TIE MODI-
FICATION, STA 840
1142U0102-214
KIT - TENSION TIE MODI-
FICATION, STA 860
1142U0102-217
KIT - TENSION TIE MODI-
FICATION, STA 880
1142U0102-220
KIT - TENSION TIE MODI-
FICATION, STA 900
1142U0102-222
KIT - TENSION TIE MODI-
FICATION, STA 920
1142U0102-225
KIT - TENSION TIE MODI-
FICATION, STA 940
1142U0102-229
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-301
Group 5:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1005
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-101
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
Work - See page 1 for details.
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### Page 58

Group 5:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1005
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-125
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-126
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-127
KIT - TENSION TIE MODI-
FICATION, STA 800
1142U0102-210
KIT - TENSION TIE MODI-
FICATION, STA 820
1142U0102-212
KIT - TENSION TIE MODI-
FICATION, STA 840
1142U0102-214
KIT - TENSION TIE MODI-
FICATION, STA 860
1142U0102-217
KIT - TENSION TIE MODI-
FICATION, STA 880
1142U0102-220
KIT - TENSION TIE MODI-
FICATION, STA 920
1142U0102-226
KIT - TENSION TIE MODI-
FICATION, STA 940
1142U0102-230
KIT - TENSION TIE MODI-
FICATION, STA 900
1142U0102-235
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-301
Group 6:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1006
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 59

Group 6:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1006
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-113
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-117
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-121
KIT - TENSION TIE MODIFI-
CATION, STA 840
1142U0102-215
KIT - TENSION TIE MODIFI-
CATION, STA 860
1142U0102-218
KIT - TENSION TIE MODIFI-
CATION, STA 880
1142U0102-220
KIT - TENSION TIE MODIFI-
CATION, STA 900
1142U0102-222
KIT - TENSION TIE MODIFI-
CATION, STA 920
1142U0102-225
KIT - TENSION TIE MODIFI-
CATION, STA 940
1142U0102-229
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-302
Group 7:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1007
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-104
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-107
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-125
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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### Page 60

Group 7:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1007
KIT - FRAME MODIFICA-
TION, STA 920
1142U0101-126
KIT - FRAME MODIFICA-
TION, STA 940
1142U0101-127
KIT - TENSION TIE MODI-
FICATION, STA 840
1142U0102-215
KIT - TENSION TIE MODI-
FICATION, STA 860
1142U0102-218
KIT - TENSION TIE MODI-
FICATION, STA 880
1142U0102-220
KIT - TENSION TIE MODI-
FICATION, STA 920
1142U0102-226
KIT - TENSION TIE MODI-
FICATION, STA 940
1142U0102-230
KIT - TENSION TIE MODI-
FICATION, STA 900
1142U0102-235
KIT - SHEAR PANEL INSTL
- TENSION TIE MODIFICA-
TION
1142U0102-302
Group 8:
Kit 142U0100
NotesExisting Part NumberNameQTYNew Part Number
-1008
KIT - FRAME MODIFICA-
TION, STA 820
1142U0101-102
KIT - FRAME MODIFICA-
TION, STA 840
1142U0101-105
KIT - FRAME MODIFICA-
TION, STA 860
1142U0101-108
KIT - FRAME MODIFICA-
TION, STA 880
1142U0101-111
KIT - FRAME MODIFICA-
TION, STA 900
1142U0101-114
Export Controlled ECCN: 9E991 - BOEING
PROPRIETARY - Copyright © Unpublished
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