AD 99-19-35 Airworthiness Directives; British Aerospace BAe Model ATP Airplanes

Models named: ATP. Read the applicability below — it usually turns on serial or part numbers too.

All BAe Model ATP airplanes, 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 (b) 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. [[Page 51199]] To prevent a nose wheel shimmy, which could lead to the collapse of the nose landing gear during landing, accomplish the following: Serviceability Test (a) Within 250 flight cycles after the effective date of this AD, perform a test for the serviceability of the nose landing gear compensator in accordance with British Aerospace Alert Service Bulletin ATP-A32-94, dated October 3, 1998. Thereafter, repeat the test at intervals not to exceed 4,000 flight cycles. If the compensator does not pass the serviceability test, within 50 flight cycles after the accomplishment of the test, replace the compensator with a new or serviceable compensator in accordance with the service bulletin. Alternative Methods of Compliance (b) 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. Special Flight Permits (c) 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. Incorporation by Reference (d) The actions shall be done in accordance with British Aerospace Alert Service Bulletin ATP-A32-94, dated October 3, 1998. 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 British Aerospace Regional Aircraft, 13850 Mclearen Road, Herndon, Virginia 20171. 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 British airworthiness directive 016-10-98. (e) This amendment becomes effective on October 27, 1999. Issued in Renton, Washington, on September 10, 1999. D.L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 99-24149 Filed 9-21-99; 8:45 am] BILLING CODE 4910-13-P