AD 2001-15-27 Airworthiness Directives; Israel Aircraft Industries, Ltd., Model 1125 Westwind Astra Series Airplanes

Model 1125 Westwind Astra series airplanes, certificated in any category, serial numbers 004 through 024 inclusive. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.

Required as indicated, unless accomplished previously. To prevent electrical arcing in the area of fuel vapors, which could result in a potential explosion and/or fire in the fuel tank, accomplish the following: Replacement (a) Within 150 flight hours after the effective date of this AD: Remove the left and right transfer valve/jettison valve electrical harnesses and the forward and aft interconnect valve electrical harnesses, and replace them with modified parts. Perform the actions in accordance with Astra (Israel Aircraft Industries) Alert Service Bulletin 1125-28A-230, dated March 13, 2001. Spare Parts (b) As of the effective date of this AD, no person may install on any airplane any part listed in the following table: Table 1.—Prohibited Spare Parts Part Part No. (1) Transfer valve/jettison valve electrical harness 25W812030-501 (left wing) or 25W812040-501 (right wing) (2) Forward interconnect valve electrical harness 25W813150-503 (3) Aft interconnect valve electrical harness 25W813160-501 Alternative Methods of Compliance (c) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. Special Flight Permits (d) Special flight permits may be issued in accordance with §§ 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. Incorporation by Reference (e) The actions shall be done in accordance with Astra (Israel Aircraft Industries) Alert Service Bulletin 1125-28A-230, dated March 13, 2001. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Galaxy Aerospace Corporation, One Galaxy Way, Fort Worth Alliance Airport, Fort Worth, Texas 76177. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 3: The subject of this AD is addressed in Israeli airworthiness directive 28-01-02-08, dated May 30, 2001. Effective Date (f) This amendment becomes effective on August 21, 2001. Issued in Renton, Washington, on July 26, 2001. Vi L. Lipski, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-19256 Filed 8-3-01; 8:45 am] BILLING CODE 4910-13-P