AD 2005-16-14 Airworthiness Directives; Gulfstream Model G-IV, GIV-X, GV, and GV-SP Series Airplanes

This AD applies to the airplanes identified in Table 1 of this AD, certificated in any category. Table 1.—Applicability Gulfstream model/series Serial Nos. G-IV All. GIV-X 4001 through 4023 inclusive. GV All. GV-SP 5001 through 5075 inclusive.

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 To Determine If Subject System Installed (f) Within 25 flight hours or 30 days after the effective date of this AD, whichever is first: Perform an inspection to determine if an Adel Wiggins floor heater pad system is installed. A review of airplane maintenance records is acceptable in lieu of this inspection if the presence of Adel Wiggins floor heater pads can be conclusively determined from that review. Deactivation of Adel Wiggins Floor Heater Pad System (g) If an Adel Wiggins floor heater pad system is found during the inspection required by paragraph (f) of this AD: Within 25 flight hours or 30 days after the effective date of this AD, whichever is first, deactivate the Adel Wiggins floor heater pad system in accordance with the Accomplishment Instructions of the applicable customer bulletin identified in Table 2 of this AD, except as provided by paragraph (h) of this AD. Although the customer bulletins referenced in Table 2 of this AD specify to report compliance to the manufacturer, this AD does not require that action. Table 2.—Service Information Gulfstream model Customer bulletin, including Gulfstream drawing 1159SB50018 Date G-IV Gulfstream G-IV Alert Customer Bulletin 33 June 13, 2005. GV Gulfstream GV Alert Customer Bulletin 22 June 13, 2005. G-IV (G300) Gulfstream G300 Alert Customer Bulletin 33 June 13, 2005. GIV-X (G350) Gulfstream G350 Alert Customer Bulletin 2 June 13, 2005. G-IV (G400) Gulfstream G400 Alert Customer Bulletin 33 June 13, 2005. GIV-X (G450) Gulfstream G450 Alert Customer Bulletin 2 June 13, 2005. GV-SP (G500) Gulfstream G500 Alert Customer Bulletin 3 June 13, 2005. GV-SP (G550) Gulfstream G550 Alert Customer Bulletin 3 June 13, 2005 June 13, 2005. Airplanes Not Identified in the Gulfstream Repair Drawing (h) For any airplane that is found to have an Adel Wiggins floor heater pad system installed but that is not listed in the effectivity block of Gulfstream Drawing 1159SB50018: Within 25 flight hours or 30 days after the effective date of this AD, whichever is first, deactivate the Adel Wiggins floor heater pad system in accordance with a method approved by the Manager, Atlanta Aircraft Certification Office (ACO), FAA. Special Flight Permit (i) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished, provided that circuit breakers for the floor heater pad system are pulled and collared. Alternative Methods of Compliance (AMOCs) (j) The Manager, Atlanta ACO, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. Material Incorporated by Reference (k) You must use the documents specified 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 approves the incorporation by reference of these documents in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. To get copies of the service information, contact Gulfstream Aerospace Corporation, Technical Publications Dept., P.O. Box 2206, Savannah, Georgia 31402-2206. To view the AD docket, go to the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW., room PL-401, Nassif Building, Washington, DC. To review copies of the service information, go to 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/cfr/ibr-locations.html. Table 3.—Material Incorporated by Reference Alert customer bulletin, including Gulfstream drawing 1159SB50018 Date Gulfstream G-IV Alert Customer Bulletin 33 June 13, 2005. Gulfstream GV Alert Customer Bulletin 22 June 13, 2005. Gulfstream G300 Alert Customer Bulletin 33 June 13, 2005. Gulfstream G350 Alert Customer Bulletin 2 June 13, 2005. Gulfstream G400 Alert Customer Bulletin 33 June 13, 2005. Gulfstream G450 Alert Customer Bulletin 2 June 13, 2005. Gulfstream G500 Alert Customer Bulletin 3 June 13, 2005. Gulfstream G550 Alert Customer Bulletin 3 June 13, 2005. Issued in Renton, Washington, on August 4, 2005. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 05-16003 Filed 8-12-05; 8:45 am] BILLING CODE 4910-13-P

This AD results from an incident of short-circuiting of the floor heater pads, in which no circuit breakers tripped in response to the short-circuiting. The FAA is issuing this AD to prevent short-circuiting of the floor heater pad system, which could result in a fire in the airplane cabin.