AD 2006-12-06 Airworthiness Directives; Boeing Model 737-300, -400, -500, -700, and -800 Series Airplanes; Model 747-400 and -400F Series Airplanes; Model 757-200 Series Airplanes; Model 767-300 Series Airplanes; and Model 777-300 Series Airplanes Equipped With Certain Driessen or Showa Galleys or Driessen Closets

Models named: 737-300, -400, -500, -700, -800 series, 747-400, 747-400F series, 757-200 series, 767-300 series, 777-300 series. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to Boeing transport category airplanes equipped with certain Driessen Aircraft Interior Systems or Showa Aircraft Industries galleys, certificated in any category; as identified in paragraphs (c)(1) through (c)(5) inclusive of this AD. (1) Model 737-300, -400, -500, -700, and -800 series airplanes; (2) Model 747-400 and 747-400F series airplanes; (3) Model 757-200 series airplanes; (4) Model 767-300 series airplanes; and (5) Model 777-300 series airplanes.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Note 1: For clarification and for the purposes of this AD, the use of the term “galley” also includes the terms “buffet” and “closet” that are referenced in certain service information specified in this AD. Determination of Part Installation (f) Within 72 months after the effective date of this AD, inspect the galleys to determine if any of the part numbers (P/Ns) installed are identified in the applicable service information specified in Table 1 of this AD. Instead of inspecting the galleys to determine if the P/Ns are installed, a review of airplane maintenance records is acceptable if the P/Ns can be positively determined from that review. Table 1.—Service Bulletins and Special Attention Service Bulletins Model and service information Revision level Date (1) Boeing Special Attention Service Bulletin 737-25-1438, for Model 737-300, -400, and -500 series airplanes 1 November 11, 2004. (2) Boeing Service Bulletin 737-25-1439, for Model 737-700 and -800 series airplanes 3 November 11, 2004. (3) Boeing Special Attention Service Bulletin 747-25-3264, for Model 747-400 series airplanes 1 November 11, 2004. (4) Boeing Service Bulletin 747-25-3275, for Model 747-400F series airplanes 1 April 4, 2002. (5) Boeing Special Attention 757-25-0238, for Model 757-200 series airplanes 2 November 11, 2004. (6) Boeing Special Attention Service Bulletin 767-25-0297, for Model 767-300 series airplanes 1 November 11, 2004. (7) Boeing Special Attention Service Bulletin 1 November 777-25-0180 for Model 777-300 series airplanes 1 November 11, 2004. Note 2: The service bulletins and special attention service bulletins specified in Table 1 of this AD reference Driessen Aircraft Interior Systems Service Bulletin 25-442, Revision E, dated April 29, 2004; and Showa Aircraft Industry Service Bulletin 25-30-111, dated December 11, 2000; as applicable; as additional sources of service information. If Certain Galleys Are Not Installed (g) If no galley is installed having any P/N identified in the service information specified in paragraph (f) of this AD, no further action is required by this AD. If Certain Galleys Are Installed (h) If any galley is installed having any P/N identified in the service information specified in paragraph (f) of this AD: Within 72 months after the effective date of this AD, replace the spiral protective wrapping of the electrical cables of the galley with new spiral protective wrapping that has been shown to meet certain flammability testing requirements, in accordance with the applicable service information specified in paragraph (f) of this AD. Credit for Previous Replacement (i) Replacement of the spiral protective wrapping of the electrical cables of any galley with new spiral protective wrapping that has been shown to meet certain flammability testing requirements, in accordance with the service information listed in the Table 2 of this AD, prior to the effective date of this AD, is acceptable for compliance with the requirements of paragraph (h) of this AD. Table 2.—Previous Accomplishment Boeing service information Revision level Date (1) Special Attention Service Bulletin 737-25-1438 Original March 15, 2001. (2) Special Attention Service Bulletin 737-25-1439 Original March 15, 2001. (3) Special Attention Service Bulletin 737-25-1439 1 August 2, 2001. (4) Service Bulletin 737-25-1439 2 December 19, 2001. (5) Special Attention Service Bulletin 747-25-3264 Original March 15, 2001. (6) Special Attention Service Bulletin 747-25-3275 Original March 15, 2001. (7) Special Attention Service Bulletin 757-25-0238 Original March 15, 2001. (8) Special Attention Service Bulletin 757-25-0238 1 November 15, 2001. (9) Special Attention Service Bulletin 767-25-0297 Original March 15, 2001. (10) Special Attention Service Bulletin 777-25-0180 Original March 15, 2001. Alternative Methods of Compliance (AMOCs) (j)(1) The Manager, Seattle Aircraft Certification Office (ACO), 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 14 CFR 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 (k) You must use the applicable service information in Table 3 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 3.—Material Incorporated by Reference Service information Revision level Date (1) Boeing Special Attention Service Bulletin 737-25-1438 1 November 11, 2004. (2) Boeing Service Bulletin 737-25-1439 3 November 11, 2004. (3) Boeing Special Attention Service Bulletin 747-25-3264 1 November 11, 2004. (4) Boeing Service Bulletin 747-25-3275 1 April 4, 2002. (5) Boeing Special Attention Service Bulletin 757-25-0238 2 November 11, 2004. (6) Boeing Special Attention Service Bulletin 767-25-0297 1 November 11, 2004. (7) Boeing Special Attention Service Bulletin 777-25-0180 1 November 11, 2004. Issued in Renton, Washington, on May 30, 2006. Jeffrey E. Duven, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 06-5120 Filed 6-6-06; 8:45 am] BILLING CODE 4910-13-P

This AD results from testing and reports from the manufacturer indicating unacceptable flammability properties of wire wrapping installed in certain galleys and closets. We are issuing this AD to prevent fire propagation or smoke in the cabin area due to electrical arcing or sparking and ignition of the spiral wire wrapping.