2005-23-10: Elevator servo control loops

2005-23-10 Airbus: Amendment 39-14368. Docket No. FAA-2005-22881; Directorate Identifier 2005-NM-202-AD. Effective Date (a) This AD becomes effective November 29, 2005. Affected ADs (b) None. Applicability (c) This AD applies to all Airbus Model A330-201, -202, -203, - 223, -243, -301, -321, -322, -323, -341, -342, and -343 airplanes; and Model A340-211, -212, -213, -311, -312, and -313 airplanes; certificated in any category. Unsafe Condition (d) This AD results from reports of elevator servo control failures due to broken guides. We are issuing this AD to ensure proper functioning of the elevator servo controls. Failure of the elevator servo controls during certain phases of takeoff could result in an unannounced loss of elevator control and consequent reduced controllability of the airplane. Compliance (e) You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actionshave already been done. Service Information (f) The term "AOT," as used in this AD, means section 4.2. "Description" of the following service information, as applicable: (1) For Model A330-200 and -300 series airplanes: Airbus All Operators Telex A330-27A3138, Revision 01, dated October 3, 2005; and (2) For Model A340-200 and -300 series airplanes: Airbus All Operators Telex A340-27A4137, Revision 01, dated October 3, 2005. Initial and Repetitive Elevator Servo-Loop Tests (g) Within 200 flight hours after the effective date of this AD: Test the elevator servo-loops, in accordance with the AOT. If the test of the elevator servo-loops passes, repeat the test at intervals not to exceed 140 flight hours or 8 days, whichever occurs first. Failed Tests (h) If any test of the elevator servo-loops required by paragraph (g) of this AD fails: Before further flight, troubleshoot the cause of the test failure, and do the applicable corrective actions; in accordance with the AOT. Thereafter, repeat the test at the times specified in paragraph (g) of this AD. Reporting Requirement (i) Following each test required by paragraph (g) of this AD, submit a report of the findings of only failed elevator servo-loop tests to Airbus Customer Services, Engineering and Technical Support, Attention: Mr. J. Laurent, SEE53, fax +33/(0)5.61.93.44.25; at the applicable time specified in paragraph (i)(1) or (i)(2) of this AD. The report must include the description of the failure experienced during the test, the identified cause of the failure, and the number of flight hours and flight cycles on the airplane. Under the provisions of the Paperwork Reduction Act of 1980 (44 U.S.C. 3501 et seq.), the Office of Management and Budget (OMB) has approved the information collection requirements contained in this AD and has assigned OMB Control Number 2120-0056. (1) If the test was done after the effective date of this AD: Submit the report within 10 daysafter the test. (2) If the test was done prior to the effective date of this AD: Submit the report within 10 days after the effective date of this AD. Alternative Methods of Compliance (AMOCs) (j)(1) The Manager, International Branch, ANM-116, Transport Airplane Directorate, 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 Sec. 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 (k) French airworthiness directive UF-2005-171, dated October 3, 2005, also addresses the subject of this AD. Material Incorporated by Reference (l) You must use Airbus All Operators Telex A330-27A3138, Revision 01, dated October 3, 2005; or Airbus All Operators Telex A340-27A4137, Revision 01, dated October 3, 2005; as applicable, 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 these documents in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Contact Airbus, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France, for a copy of this service information. You may review copies at the Docket Management Facility, U.S. Department of Transportation, 400 Seventh Street SW., room PL-401, Nassif Building, Washington, DC; on the Internet at http://dms.dot.gov; or at the National Archives and Records Administration (NARA). For information on the availability of this material at the NARA, call (202) 741-6030, or go to http://www.archives.gov/federal_register/code--of-- federal--regulations/ibr--locations.html.