Airworthiness directives › 2007-04-04
AD 2007-04-04 Airworthiness Directives; BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Airplanes
Models named: BAE 146-100A, -200A, -300A series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to BAE Systems (Operations) Limited Model BAE 146-100A, -200A, and -300A series airplanes; and Avro 146-RJ70A, 146-RJ85A, and 146-RJ100A airplanes; certificated in any category; as identified in BAE Systems (Operations) Limited Alert Inspection Service Bulletin ISB.57-a071, dated April 12, 2006.
Compliance
You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspection (f) Inspect the airplane at the applicable time specified in paragraph 1.D. “Compliance” of BAE Systems (Operations) Limited Alert Inspection Service Bulletin ISB.57-a071, dated April 12, 2006, except, where the service bulletin specifies a compliance time after the date on the service bulletin, this AD requires compliance within the specified compliance time after the effective date of this AD. The inspection required by this paragraph involves an ultrasonic inspection for defects, including corrosion and cracking, of the wing top skin under the rib 0 joint strap at the outer row of fasteners, by doing all applicable actions specified in the Accomplishment Instructions of the service bulletin. Do all applicable related investigative and corrective actions before further flight in accordance with the service bulletin, except as required by paragraph (g) of this AD. Repeat the inspection at intervals not to exceed 4,000 flight cycles or 24 months, whichever occurs first. Exceptions to Service Bulletin Specifications (g) BAE Systems (Operations) Limited Alert Inspection Service Bulletin ISB.57-a071, dated April 12, 2006, specifies two provisions not specified in this AD. (1) No inspection report is required by this AD. (2) As an option, the service bulletin allows repairs specified in an approved BAE Systems repair scheme. This AD instead requires any repair using this option to be done in accordance with a method approved by either the Manager, International Branch, ANM-116, FAA; or the European Aviation Safety Agency (or its delegated agent). Alternative Methods of Compliance (AMOCs) (h)(1) The Manager, International Branch, ANM-116, FAA, has the authority to approve AMOCs for this AD, if requested in accordance with the procedures found in 14 CFR 39.19. (2) Before using any AMOC approved in accordance with § 39.19 on any airplane to which the AMOC applies, notify the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. Related Information (i) The subject of this AD is also addressed in European Aviation Safety Agency emergency airworthiness directive 2006-0091-E, dated April 20, 2006. Material Incorporated by Reference (j) You must use BAE Systems (Operations) Limited Alert Inspection Service Bulletin ISB.57-a071, dated April 12, 2006, to perform the actions that are required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference of this document in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact British Aerospace Regional Aircraft American Support, 13850 Mclearen Road, Herndon, Virginia 20171, for a copy of this service information. You may review copies 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/cfr/ibr-locations.html. Issued in Renton, Washington, on February 5, 2007. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E7-2414 Filed 2-13-07; 8:45 am] BILLING CODE 4910-13-P
Unsafe condition
This AD results from a report of a significant crack in the wing top skin under the rib 0 joint strap. We are issuing this AD to detect and correct corrosion and cracking in that area, which could result in reduced structural integrity of the wing.
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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