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Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Number: 737-21-1165 Original Issue: January 07, 2010 Revision 2: April 30, 2012 ATA System: 2133 SUBJECT: AIR CONDITIONING - Cabin Pressure Indication and Warning System - Redundant Pressure Switch Installation Export of this technology is controlled under the United States Export Administration Regulations (EAR) (15 CFR 300-774). An export license may be required before it is used for development, production or use by foreign persons from specific countries. The controller of this data has the individual responsibility to abide by all export laws.
9E991ECCN:
BOEING PROPRIETARY, CONFIDENTIAL AND/OR TRADE SECRET Copyright © 2010 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Unpublished Work.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, KDC-10, MD-10, MD-11, MD-80, MD-88, MD-90, P-8A, 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. BOEING is a trademark of Boeing Management Company.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 1 of 15
5.0
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 2 of 15 BOEING SERVICE BULLETIN 737-21-1165
BLANK PAGE
Commercial Airplanes 737 Service Bulletin
SPECIAL ATTENTION Short Form RevisionNumber: 737-21-1165Original Issue: January 07, 2010 Revision 2: April 30, 2012 ATA System: 2133 SUBJECT: AIR CONDITIONING - Cabin Pressure Indication and Warning System - Redundant Pressure Switch Installation Revision 2 is sent to change information. Only the changed information is described below. Revision 1 and Revision 2 are necessary to do the service bulletin.
COMPLIANCE INFORMATION RELATED TO THIS REVISION Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-074-AD, is related to this service bulletin.
No more work is necessary on the airplanes changed in accordance with Revision 1 of this service bulletin.
REASON FOR REVISION This revision is sent to advise operators that in Figures 12 and 20, the illustration has been changed to show wire references W5514 and W5156 as dashed. Weight and Balance information is changed to "None" for Group 4 and Group 7 airplanes. An incorrect AMM reference has been removed from Work Instructions and Existing Data. The W5514-0018-22 wire has been deleted from wire kit 280A3147-106. Two new contacts BACC47DR1 are added to the Parts and Materials Supplied by the Operator to replace the incorrect pin contacts in Figures 14 and 17. Also, a new splice D-436-61 is added to the Parts and Materials Supplied by the Operator to replace the incorrect splice in Figures 12 and 20.
REVISION HISTORY January 07, 2010Original Issue:
July 16, 2010Revision 1:
April 30, 2012Revision 2:
EFFECTIVITY 737-600/-700/-700C/-800/-900/-900ER Airplanes. Refer to Paragraph 1.A.1., Airplanes, in Revision 1 for the list of affected airplanes.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 3 of 15
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.
EXISTING INFORMATION The following is the existing information in the service bulletin:
1. Page 10 - Summary, Compliance, reads as follows:
The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Boeing recommends that the change given in this service bulletin be done within 72 months after the date on this service bulletin.
2. Page 26 - Paragraph 1.B, Concurrent Requirements, Boeing Service Bulletin in the table reads as 737-31A1332 Original Issue, Revision 1
3. Page 28 - Paragraph 1.E, Compliance, reads as follows:
The Federal Aviation Administration (FAA) will possibly release an Airworthiness Directive related to this service bulletin. The Airworthiness Directive will make the compliance tasks and times given in this service bulletin mandatory.
Boeing recommends that the change given in this service bulletin be done within 72 months after the date on this service bulletin.
4. Page 31 - Paragraph 1.J.1., Existing Data, e. 737-600/700/800/900 Aircraft Maintenance Manual (AMM) 21-33-00, 21-33-04, 24-22-00, 25-11-01, 31-51-00, 31-51-04, 34-16-00, 52-40-00
5. Page 31 - Paragraph 1.H, Weight and Balance Changes reads as follows:
Change in Moment (Pound-Inches) Change in Weight (Pounds)Airplane +510+2.5737-600 +375+2.5737-700/700C +80+2.5737-800 -75+2.5737-900/900ER
6. Page 32 - Paragraph 1.K.1., Publications, 737 Illustrated Parts Catalog 21-33, 31-51 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 4 of 15 BOEING SERVICE BULLETIN 737-21-1165
7. Page 39 - Paragraph 2.C.1., Kits/Parts, wire kit 280A3147-106, Wire, Identified as W5514-0018-22, Length 206 inches
8. Page 40 - In Paragraph 2.C.1, Kits/Parts, kits/parts table, wire kits 280A3147-104 and 280A3147-105, the part number reads as BACC47DP1.
9. Page 42 - In Paragraph 2.C.2., Parts and Materials Supplied by the Operator, the table appears as follows:
NotesNameQTYPart Number / Specification
(a) (b) (c)Aural Warning Module M315169-78214-4
(a) You can get the new part by reworking the existing part as given in BAE Systems SB 69-78214-31-03.
(b) BAE Systems Controls Inc. (Cage Code 89954), 600 Main Street, Johnson City, NY13790-1806, USA.
(c) If you use the existing part, you cancel the effect of the change given in this service bulletin.
10. Page 44 - In Paragraph 3.B., Work Instructions, Step 5 reads as follows:
At the lower forward fuselage, open the Forward Access Door 112A to get access into the area forward of the nose landing gear wheel well. Refer to 737-600/700/800/900 AMM 52-40-00 as an accepted procedure.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 5 of 15 BOEING SERVICE BULLETIN 737-21-1165
BOEING SERVICE BULLETIN 737-21-1165
11. Page 68 - In FIGURE 4, sheet 1, the illustration appears as follows:
STA 262 TB664 TB662 TB660 ° 00 AJ0046B
DISCONNECT
BRACKET AJ0046A
DISCONNECT
BRACKET D40097P 000 POS 6 D46100P POS 11 D46104P POS 11 D46126P D46116P POS 13 POS 13 D46108P POS 15 W0066 J46 JUNCTION BOX 2125560 Original Issue: January 07, 2010 Revision 2: April 30, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 737-21-1165 Work - See page 1 for details. 6 of 15
BOEING SERVICE BULLETIN 737-21-1165
12. Page 71 - In FIGURE 6, sheet 1, the illustration appears as follows:
STA 262 TB662 TB660 000 AJ0046B
DISCONNECT
BRACKET AJ0046A
DISCONNECT
BRACKET
• D40097P POS 6 D46100P POS 11 D46104P POS 11 D46126P D46116P POS 13 POS 13 D46108P POS 15 W0066 J46 JUNCTION BOX 2125563 Original Issue: January 07, 2010 Revision 2: April 30, 2012 Export Controlled ECCN: 9E991 - BOEING 737-21-1165 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 7 of 15
BOEING SERVICE BULLETIN 737-21-1165
13. Page 89 - In FIGURE 12, sheet 1, the illustration appears as follows:
W5514- W2508-5506-22 YB9 W2508-0030-22 TB502 AP0600C + W2508-5506-2277 040550P 4W2508-5507-22+ A57 B57 W5514 -- • W2508-5507-22 TB604Y R1049 // W2508-5508-22/ W5156- - W5514 W5514 - YA11 W2508-5508-22 SP575 W2508-6018-22 W5503 - TB602 D654 P5-16 CABIN ALTITUDE
AND RATE OF
CLIMB PANEL P5 PILOT OVERHEAD PANEL
ADDED WIRE OR NEW ROUTING
DELETED WIRE OR FORMER ROUTING
EXISTING WIRE
14. Page 90 - In FIGURE 12, flag note table, flag note 6, the part number reads as D-436-59.
15. Page 98 - In FIGURE 14, flag note table, flag note 4, the part number reads as BACC47DP1.
16. Page 107 - In FIGURE 17, flag note table, flag note 4, the part number reads as BACC47DP1.
Original Issue: January 07, 2010 Revision 2: April 30, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 737-21-1165 Work - See page 1 for details. 8 of 15
BOEING SERVICE BULLETIN 737-21-1165
17. Page 112 - In FIGURE 20, sheet 1, the illustration appears as follows:
W2510 -- W2508-5506-22 YB9 W2508-0030-22 TB502 AP0600C 7W2508-5506-22 +/ ID40550P B15 A15 W5514--- - W2508-6005-22 + TB501Y R1044 + W2508-5507-22 +/1 W2508-5507-22 + W2508-5508-22+/ SP575 + W2508-6018-22+ W5156+ +W5514 W2508-5508-22 SP575 W2508-6018-22 D46108P D654 P5-16 CABIN ALTITUDE
AND RATE OF J46
JUNCTION BOX CLIMB PANEL P5 PILOT OVERHEAD PANEL
• ADDED WIRE OR NEW ROUTING / DELETED WIRE OR FORMER ROUTING
• EXISTING WIRE
18. Page 113 - In FIGURE 20, flag note table, flag note 6, the part number reads as D-436-59.
CHANGED INFORMATION The following is the changed information in the service bulletin:
1. Page 10 - Summary, Compliance, reads as follows:
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-074-AD, is related to this service bulletin.
Boeing recommends that the change given in this service bulletin be done within 72 months after the date on this service bulletin.
Original Issue: January 07, 2010 Revision 2: April 30, 2012 Export Controlled ECCN: 9E991 - BOEING 737-21-1165 PROPRIETARY - Copyright © Unpublished Work - See page 1 for details. 9 of 15
2. Page 26 - Paragraph 1.B, Concurrent Requirements, Boeing Service Bulletin in the table reads as 737-31A1332 Revision 1, Revision 2, Revision 3
3. Page 28 - Paragraph 1.E, Compliance, reads as follows:
Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-074-AD, is related to this service bulletin.
Boeing recommends that the change given in this service bulletin be done within 72 months after the date on this service bulletin.
4. Page 31, 32 - Paragraph 1.J.1., Existing Data, – e. 737-600/700/800/900 Aircraft Maintenance Manual (AMM) 21-33-00, 21-33-04, 24-22-00, 25-11-01, 31-51-00, 31-51-04, 34-16-00 – m. Federal Aviation Administration (FAA) Notice of Proposed Rule Making NPRM 2011-NM-074-AD
5. Page 31 - Paragraph 1.H, Weight and Balance Changes reads as follows:
Group 1-3, 5-6 Change in Moment (Pound-Inches) Change in Weight (Pounds)Airplane +510+2.5737-600 +375+2.5737-700/700C +80+2.5737-800 -75+2.5737-900/900ER Group 4, 7 None.
6. Page 32 - Paragraph 1.K.1., Publications, 737 Illustrated Parts Catalog 11-32, 21-33, 31-51
7. Page 39 - Paragraph 2.C.1., Kits/Parts, wire kit 280A3147-106, Wire W5514-0018-22 has been deleted.
8. Page 40 - In Paragraph 2.C.1, Kits/Parts, kits/parts table, wire kits 280A3147-104 and 280A3147-105, a note (f) for the part number BACC47DP1 reads as follows:
(f) This part from the wire kits 280A3147-104 and 280A3147-105 can be scrapped because it is replaced with the part number BACC47DR1.
9. Page 42 - In Paragraph 2.C.2., Parts and Materials Supplied by the Operator, the table appears as follows:
NotesNameQTYPart Number / Specification
(a) (b) (c)Aural Warning Module M315169-78214-4 Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 10 of 15 BOEING SERVICE BULLETIN 737-21-1165
NotesNameQTYPart Number / Specification Contact, Socket2BACC47DR1 Splice1D-436-61
(a) You can get the new part by reworking the existing part as given in BAE Systems SB 69-78214-31-03.
(b) BAE Systems Controls Inc. (Cage Code 89954), 600 Main Street, Johnson City, NY13790-1806, USA.
(c) If you use the existing part, you cancel the effect of the change given in this service bulletin.
10. Page 44 - In Paragraph 3.B., Work Instructions, Step 5 reads as follows:
At the lower forward fuselage, open the Forward Access Door 112A to get access into the area forward of the nose landing gear wheel well.
Export Controlled ECCN: 9E991 - BOEING PROPRIETARY - Copyright © Unpublished Work - See page 1 for details.
Original Issue: January 07, 2010 737-21-1165Revision 2: April 30, 2012 11 of 15 BOEING SERVICE BULLETIN 737-21-1165
BOEING SERVICE BULLETIN 737-21-1165
11. Page 68 - In FIGURE 4, sheet 1, the illustration appears as follows:
STA 262 TB664 TB662 TB660 ° 00 AJ0046B
DISCONNECT
BRACKET AJ0046A
DISCONNECT
BRACKET D40097P 000 POS 6 D46100P POS 11 D46104P POS 11 D46126P D46116P POS 13 POS 13 D46108P POS 15 W0066 J46 JUNCTION BOX 2125562 Original Issue: January 07, 2010 Revision 2: April 30, 2012 PROPRIETARY - Copyright © Unpublished Export Controlled ECCN: 9E991 - BOEING 737-21-1165 Work - See page 1 for details. 12 of 15