AD 97-16-08 Airworthiness Directives; Fokker Model F28 Mark 0100 Series Airplanes

Models named: F28 Mark 0100 series. Read the applicability below — it usually turns on serial or part numbers too.

Model F28 Mark 0100 series airplanes, serial numbers 11244 through 11474 inclusive, equipped with small cargo doors having hinge assemblies having part numbers A28410-405, A28410-407, and/or D28410-409; certificated in any category. 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 detect and correct fatigue cracking of the hinges, which could result in rapid decompression of the airplane and separation of the cargo doors during flight; accomplish the following: (a) Prior to the accumulation of 8,000 total flight cycles, or within 5 months after the effective date of this AD, whichever occurs later: Perform a one-time inspection to detect fatigue cracking of the hinges of the forward, center, and aft cargo doors, in accordance with Fokker Service Bulletin SBF100-52-061, dated September 28, 1996. Prior to further flight, repair any cracking detected, in accordance with a method approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. (b) Within 10 days after accomplishing the inspection required by paragraph (a) of this AD, submit a report of the inspection results to Fokker Services, Attn: Manager, Service Engineering--Jet, P. O. Box 75047, 1117 ZN Schiphol-Oost, The Netherlands. Information collection requirements contained in this regulation have been approved by the Office of Management and Budget (OMB) under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.) and have been assigned OMB Control Number 2120-0056. (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, Standardization Branch, ANM-113. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113. (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 actions shall be done in accordance with Fokker Service Bulletin SBF100-52-061, dated September 28, 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 Services B.V., Technical Support Department, P.O. Box 75047, 1117 ZN Schiphol Airport, The Netherlands. 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. (f) This amendment becomes effective on August 19, 1997. Issued in Renton, Washington, on July 29, 1997. Darrell M. Pederson, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 97-20440 Filed 8-1-97; 8:45 am] BILLING CODE 4910-13-U