Airworthiness directives › 2004-15-05
AD 2004-15-05 Airworthiness Directives; BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Series Airplanes
Models named: 146 series, Avro 146-RJ series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 146 series airplanes with Modification HCM30027A, HCM36019A, or HCM30373A installed; and Model Avro 146-RJ series airplanes with Modification HCM36019A or HCM30373A installed; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent air from the auxiliary power unit (APU) bay being ingested into the flight deck and passenger cabin resulting in poor air quality and, if the air is contaminated, possible incapacitation of the flightcrew and passengers, accomplish the following: Replacement of Rubber Bellows Inlet Duct (a) Within 24 months or 4,000 flight cycles after the effective date of this AD, whichever is first: Replace the existing rubber bellows inlet duct and sealing configuration of the APU system, with a new, improved rectangular metallic bellows inlet duct, which incorporates an improved seal and clamp configuration, per the Accomplishment Instructions of BAE Systems (Operations) Limited Modification Service Bulletin SB.49-036-36019E, Revision 4, dated April 30, 2003. Although the service bulletin specifies to submit certain information to the manufacturer, this AD does not include such a requirement. Alternative Methods of Compliance (b) In accordance with 14 CFR 39.19, the Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (c) The action shall be done in accordance with BAE Systems (Operations) Limited Modification Service Bulletin SB.49-036-36019E, Revision 4, dated April 30, 2003. 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 National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call (202) 741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html . Note 1: The subject of this AD is addressed in British airworthiness directive 007-04-2003. Effective Date (d) This amendment becomes effective on August 31, 2004. Issued in Renton, Washington, on July 9, 2004. Kevin M. Mullin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-16673 Filed 7-26-04; 8:45 am] BILLING CODE 4910-13-P
Read the original on the Federal Register →
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1