Airworthiness directives › 2001-15-23
AD 2001-15-23 Airworthiness Directives; Bae Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Series Airplanes
Models named: BAe 146, Avro 146-RJ series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model BAe 146 and Avro 146-RJ series airplanes, certificated in any category, as listed in BAe Systems (Operations) Limited Inspection Service Bulletin ISB.21-148, Revision 1, dated February 6, 2001. 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.
Compliance
Required as indicated, unless accomplished previously. To prevent the installation of incorrect pressurization discharge valves and cabin pressure controllers, which could subject the airframe to excess stress and adversely affect the airframe fatigue life, accomplish the following: Parts Identification (a) As specified in paragraph (a)(1) or (a)(2), as applicable, of this AD: Identify the part numbers of the pressurization discharge valves and cabin pressure controllers to determine if any installed part is incorrect, as defined by and in accordance with BAe Systems (Operations) Limited Inspection Service Bulletin ISB.21-148, Revision 1, dated February 6, 2001. (1) For airplanes post-Modification HCM50258A: Identify the part numbers within 30 days after the effective date of this AD; and, if any part is incorrect, limit the airplane ceiling to 31,000 feet until the incorrect part is replaced, as specified by paragraph (b) of this AD. (2) For airplanes pre-Modification HCM50258A: Identify the part numbers within 6 months after the effective date of this AD. Corrective Action (b) For any incorrect part identified in accordance with paragraph (a) of this AD: Within 500 flight cycles thereafter, replace it with a new, correct part, in accordance with BAe Systems (Operations) Limited Inspection Service Bulletin ISB.21-148, Revision 1, dated February 6, 2001. Prior to further flight thereafter, perform a structural inspection and accomplish applicable corrective actions, in accordance with a method approved by the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA; or the Civil Aviation Authority (CAA) (or its delegated agent). Note 2: Accomplishment of the actions specified in this AD in accordance with BAe Systems (Operations) Limited Inspection Service Bulletin ISB.21-148, dated November 17, 2000, is also acceptable for compliance with the requirements of this AD. 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. 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 3: 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) Except as required by paragraph (b) of this AD: The actions shall be done in accordance with BAe Systems (Operations) Limited Inspection Service Bulletin ISB.21-148, Revision 1, dated February 6, 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 British Aerospace Regional Aircraft American Support, 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 4: The subject of this AD is addressed in British airworthiness directive 003-11-2000. Effective Date (f) This amendment becomes effective on September 10, 2001. Issued in Renton, Washington, on July 25, 2001. Vi L. Lipski, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-19249 Filed 8-3-01; 8:45 am] BILLING CODE 4910-13-U
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