AD 2004-10-11 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.

Model BAe 146 and Avro 146-RJ series airplanes, equipped with Pacific Scientific engine fire extinguisher bottles, and having BAE Systems (Operations) Limited Modification HCM01688A, and either HCM01582A or HCM01582B installed; certificated in any category;

Required as indicated, unless accomplished previously. To prevent the inability of the left-hand fire extinguisher bottle on one or more engines to discharge, and consequent inability to control or suppress an engine fire, accomplish the following: Inspection, Test, and Related Investigative/Corrective Actions (a) Within 6 months after the effective date of this AD: Do a one-time detailed inspection to detect discrepancies in the wiring installation of the fire extinguisher bottles for the engines, a one-time test of the wiring for the indicating system of the engine fire extinguishing system, and all applicable related investigative/corrective actions, per the Accomplishment Instructions of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.26-065, dated September 16, 2002. Do all of the actions per the service bulletin. Any corrective actions must be done before further flight. Although the service bulletin specifies to submit certain information to the manufacturer, this AD does not include such a requirement. Note 1: For the purposes of this AD, a detailed inspection is defined as: “An intensive visual examination of a specific structural area, system, installation, or assembly to detect damage, failure, or irregularity. Available lighting is normally supplemented with a direct source of good lighting at intensity deemed appropriate by the inspector. Inspection aids such as mirror, magnifying lenses, etc., may be used. Surface cleaning and elaborate access procedures may be required.” Credit for Actions Done per Other Service Information (b) For airplanes with BAE Systems (Operations) Limited Modification HCM01582B installed: Accomplishment of BAE Systems (Operations) Limited Inspections Service Bulletin 26-060 (Inspection for Cross Connection of Wiring on Pacific Scientific Fire Extinguishers) on each engine is considered acceptable for compliance with the requirements of this AD. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, International Branch, ANM-116, FAA, Transport Airplane Directorate, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (d) Unless otherwise specified in this AD, the actions shall be done in accordance with BAE Systems (Operations) Limited Inspection Service Bulletin ISB.26-065, dated September 16, 2002. 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 2: The subject of this AD is addressed in British airworthiness directive 003-09-2002. Effective Date (e) This amendment becomes effective on June 25, 2004. Issued in Renton, Washington, on May 10, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-11283 Filed 5-20-04; 8:45 am] BILLING CODE 4910-13-P