AD 2005-20-14 Airworthiness Directives; Airbus Model A300 B4-620, A310-304, A310-324, and A310-325 Airplanes

Models named: A300 B4-620, A310-304, A310-324, A310-325. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Airbus Model A300 B4-620, A310-304, A310-324, and A310-325 airplanes, certificated in any category; equipped with one or more auxiliary center tank (ACT), except those on which Airbus Modification 12471 has been accomplished in production.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Modification (f) Within 24 months after the effective date of this AD: Install fused adaptors between the external wiring harness and the in-tank wiring at the connectors on the fuel tank wall of the ACT by doing all the actions specified in the Accomplishment Instructions of the applicable service bulletin in Table 1 of this AD. Table 1.—Airbus Service Bulletins Airbus Service Bulletin Date Model A300-28-6073 December 23, 2004 A300 B4-620 airplanes. A310-28-2149 September 29, 2004 A310-304, A310-324, and A310-325 airplanes. Alternative Methods of Compliance (AMOCs) (g)(1) The Manager, ANM-116, Transport Airplane Directorate, 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. Related Information (h) French airworthiness directive F-2005-021, dated February 2, 2005, also addresses the subject of this AD. Material Incorporated by Reference (i) You must use Airbus Service Bulletin A300-28-6073, dated December 23, 2004; or Airbus Service Bulletin A310-28-2149, dated September 29, 2004; as applicable, 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 Airbus, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France, 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. Issued in Renton, Washington, on September 26, 2005. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 05-19844 Filed 10-5-05; 8:45 am] BILLING CODE 4910-13-P

This AD is prompted by the results of fuel system reviews conducted by the manufacturer. We are issuing this AD to prevent an ignition source in the ACT, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.