97-23-12: MLG Upper Torque Link Fusible Pin

97-23-12 FOKKER: Amendment 39-10200. Docket 97-NM-165-AD. Applicability: Model F28 Mark 0100 and 0070 series airplanes, equipped with Menasco Aerospace Ltd. main landing gears having part number (P/N) 41050, including the fusible upper torque link pin having P/N 41223-1; certificated in any category. NOTE 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been otherwise 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. Compliance: Required as indicated, unless accomplished previously. To prevent reduced structural integrity and potential collapse of the main landing gear, accomplish the following: (a) Within 12 months after the effective date of this AD, replace any main landing gear upper torque link fusible pin having P/N 41223-1 with a pin having P/N 41223-3, in accordance with Fokker Service Bulletin SBF100-32-099, dated June 14, 1996. (b) As of the effective date of this AD, no person shall install a main landing gear upper torque link fusible pin having P/N 41223-1 on any airplane. (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, FAA, Transport Airplane Directorate. 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. (d) 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. (e) The replacement shall be done in accordance with Fokker Service Bulletin SBF100-32- 099, dated June 14, 1996. 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 Fokker Aircraft USA, Inc., 1199 North Fairfax Street, Alexandria, Virginia 22314. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Officeof the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. NOTE 3: The subject of this AD is addressed in Dutch airworthiness directive BLA 1996-074 (A), dated June 28, 1996. (f) This amendment becomes effective on December 17, 1997.