AD 2006-10-17 Airworthiness Directives; Boeing Model 737-600, -700, -700C, -800, and -900 Series Airplanes

Models named: 737-600, -700, -700C, -800, -900 series. Read the applicability below — it usually turns on serial or part numbers too.

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.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspection/Replacements/Wiring Changes/Corrective Actions (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. (1) Replace the five brackets that hold the P5 panel to the airplane structure with new brackets; (2) Do a general visual inspection for wire length and damage of the connectors and the wire bundles, and applicable corrective actions; (3) Make wiring changes; (4) Replace the standby compass bracket assembly with a new assembly; and (5) Replace the stud assemblies with new assemblies. Note 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.” (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. Concurrent Requirements (h) Before or concurrently with the requirements of paragraph (f) of this AD, do the applicable action specified in Table 1 of this AD. Table 1.—Concurrent Requirements For airplanes identified in Boeing Component Service Bulletin— Action (1) 233A3205-24-01, dated July 26, 2001 Modify the generator drive and standby power module assembly in accordance with the Accomplishment Instructions of the service bulletin. (2) 69-37319-21-02, Revision 1, August 30, 2001 Modify the air conditioning module assembly in accordance with the Accomplishment Instructions of the service bulletin. Alternative Methods of Compliance (AMOCs) (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. (2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Material Incorporated by Reference (j) You must use the applicable service information identified in Table 2 of this 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 . Table 2.—Material Incorporated by Reference Service bulletin Revision level Date (1) Boeing Component Service Bulletin 233A3205-24-01 Original Issue July 26, 2001. (2) Boeing Component Service Bulletin 69-37319-21-02 1 August 30, 2001. (3) Boeing Service Bulletin 737-24A1141 2 December 1, 2005. Issued in Renton, Washington, on May 8, 2006. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-4595 Filed 5-17-06; 8:45 am] BILLING CODE 4910-13-P

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.