2006-10-17: Compass bracket assembly

2006-10-17 Boeing: Amendment 39-14601. Docket No. FAA-2005-21028; Directorate Identifier 2004-NM-238-AD. \n\nEffective Date \n\n\t(a) This AD becomes effective June 22, 2006. \n\nAffected ADs \n\n\t(b) None. \n\nApplicability \n\n\t(c) This AD applies to Boeing Model 737-600, -700, -700C, -800, and -900 series airplanes, certificated in any category; as identified in Boeing Service Bulletin 737-24A1141, Revision 2, dated December 1, 2005. \n\nUnsafe Condition \n\n\t(d) This AD results from an electrical burning smell in the flight compartment. We are issuing this AD to prevent wire bundles from contacting the overhead dripshield panel and modules in the P5 overhead panel, which could result in electrical arcing and shorting of the electrical connector and consequent loss of several critical systems essential for safe flight. \n\nCompliance \n\n\t(e) You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. \n\nInspection/Replacements/Wiring Changes/Corrective Actions \n\n\t(f) Within 36 months after the effective date of this AD, do the actions in paragraphs (f)(1) through (f)(5) of this AD by accomplishing all the applicable actions specified in the Accomplishment Instructions of Boeing Service Bulletin 737-24A1141, Revision 2, dated December 1, 2005. Any applicable corrective actions must be done before further flight. \n\n\t(1) Replace the five brackets that hold the P5 panel to the airplane structure with new brackets; \n\n\t(2) Do a general visual inspection for wire length and damage of the connectors and the wire bundles, and applicable corrective actions; \n\n\t(3) Make wiring changes; \n\n\t(4) Replace the standby compass bracket assembly with a new assembly; and \n\n\t(5) Replace the stud assemblies with new assemblies. \n\n\tNote 1: For the purposes of this AD, a general visual inspection is: "A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to ensure visual access to all surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked." \n\n\t(g) Actions done before the effective date of this AD in accordance with Boeing Alert Service Bulletin 737-24A1141, Revision 1, dated December 23, 2004, are acceptable for compliance with the requirements of paragraph (f) of this AD. \n\nConcurrent Requirements \n\n\t(h) Before or concurrently with the requirements of paragraph (f) of this AD, do the applicable action specified in Table 1 of this AD. \n\n\tTable 1.--Concurrent Requirements\n\n\nFor airplanes identified in Boeing Component Service Bulletin- \nAction \n\n\n(1) 233A3205-24-01, dated July 26, 2001 ........ \nModify the generator drive and standby power module assembly in accordance with the Accomplishment Instructions of the service bulletin. \n\n\n(2) 69-37319-21-02, Revision 1, August 30, 2001. \nModify the air conditioning module assembly in accordance with the Accomplishment Instructions of the service bulletin. \n\n\nAlternative Methods of Compliance (AMOCs) \n\n\t(i)(1) The Manager, Seattle Aircraft Certification Office, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. \n\n\t(2) Before using any AMOC approved in accordance with Sec. 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. \n\nMaterial Incorporated by Reference \n\n\t(j) You must use the applicable service information identified in Table 2 ofthis AD to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference of these documents in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124-2207, for a copy of this service information. You may review copies at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street, SW., Room PL-401, Nassif Building, Washington, DC; on the Internet at http://dms.dot.gov; or at the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html . \n\n\tTable 2.--Material Incorporated by Reference \n\n\n\nService bulletin \nRevision level \nDate \n(1) Boeing Component Service Bulletin 233A3205-24-01 \nOriginal Issue ......... \nJuly 26, 2001. \n(2) Boeing Component Service Bulletin 69-37319-21-02 \n1 ............................. \nAugust 30, 2001. \n(3) Boeing Service Bulletin 737-24A1141 \n2 ............................. \nDecember 1, 2005.