AD 2011-20-02 Airworthiness Directives; BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ Airplanes

Models named: BAe 146-100A, -200A, -300A, Avro 146-RJ70A, 146-RJ85A, 146-RJ100A. Read the applicability below — it usually turns on serial or part numbers too.

This AD applies to BAE Systems (Operations) Limited Model BAe 146-100A, -200A, and -300A airplanes; and Model Avro 146-RJ70A, 146-RJ85A, and 146-RJ100A airplanes; certificated in any category; all serial numbers.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Inspections (g) Within 4,000 flights cycles or 2 years after the effective date of this AD, whichever occurs first: Do the initial inspection of the MLG shock absorber lower attachment pins in accordance with paragraph 2.C of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and paragraph 3 of Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009. (h) Thereafter, at intervals not to exceed 8,000 flights cycles or 4 years, whichever occurs first, repeat the inspection required by paragraph (g) of this AD. Corrective Action (i) If, during any inspection required by paragraphs (g) and (h) of this AD, the chromium plating on the outer diameter of any pin is found cracked, or the base material is exposed, or any corrosion is found on the chromium plating on the outer diameter of any pin, before further flight, replace the pin with a serviceable pin in accordance with paragraph 2.C of BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and paragraph 3 of Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009. (j) Replacing the pin, as required by paragraph (i) of this AD, does not constitute a terminating action for the repetitive inspections required by paragraph (h) of this AD. FAA AD Differences Note 1: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (k) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Branch, ANM-116, Transport Airplane Directorate, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the International Branch, send it to ATTN: Todd Thompson, Aerospace Engineer, International Branch, ANM-116, Transport Airplane Directorate, FAA, 1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 227-1175; fax (425) 227-1149. Information may be e-mailed to: 9-ANM-116-AMOC-REQUESTS@faa.gov. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/certificate holding district office. The AMOC approval letter must specifically reference this AD. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. Related Information (l) Refer to MCAI European Aviation Safety Agency Airworthiness Directive 2010-0201, dated October 5, 2010; BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009; for related information. Material Incorporated by Reference (m) You must use BAE Systems (Operations) Limited Inspection Service Bulletin ISB.32-176, initial issue, dated November 12, 2009; and Messier-Dowty Service Bulletin 146-32-157, excluding Appendix A, dated February 12, 2009; to do the actions required by this AD, unless the AD specifies otherwise. (1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51. (2) For BAE Systems (Operations) Limited service information identified in this AD, contact BAE Systems (Operations) Limited, Customer Information Department, Prestwick International Airport, Ayrshire, KA9 2RW, Scotland, United Kingdom; telephone +44 1292 675207; fax +44 1292 675704; e-mail RApublications@baesystems.com ; Internet http://www.baesystems.com/Businesses/RegionalAircraft/index.htm. (3) For Messier-Dowty service information identified in this AD, contact Messier Services Americas, Customer Support Center, 45360 Severn Way, Sterling, Virginia 20166-8910; telephone 703-450-8233; fax 703-404-1621; Internet https://techpubs.services/messier-dowty.com. (4) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of this material at the FAA, call 425-227-1221. (5) You may also review copies of the service information that is incorporated by reference 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. Issued in Renton, Washington on September 14, 2011. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2011-24202 Filed 9-22-11; 8:45 am] BILLING CODE 4910-13-P