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Airworthiness directives › 2004-23-13

AD 2004-23-13 Airworthiness Directives; Airbus Model A330, A340-200, and A340-300 Series Airplanes

2004-12-21
2004-11-16
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Airframe
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Models named: A330, A340-200, 340-300 series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

Model A330, A340-200, and 340-300 series airplanes; certificated in any category; equipped with a ram air turbine (RAT) module, Model ERPS06M, having part number (P/N) 766351, 768084, 770379, 770952, or 770952A; and containing RAT actuator P/N 5911905, 5911326, or 5913234.

Compliance

Required as indicated, unless accomplished previously. To prevent failure of the RAT actuator to deploy when necessary during flight, which could result in reduced controllability of the airplane, accomplish the following: Service Bulletin Reference (a) The term “service bulletin,” as used in this AD, means the Accomplishment Instructions of the service bulletins listed in paragraphs (a)(1) and (a)(2) of this AD. Although these service bulletins specify returning removed actuators to Liebherr-Aerospace for inspection, this AD does not require this action. (1) For Model A330 series airplanes: Airbus Service Bulletin A330-29-3083, dated August 6, 2002. (2) For Model A340-200 and -300 series airplanes: Airbus Service Bulletin A340-29-4064, Revision 01, dated August 8, 2002. Note 1: The service bulletins refer to Hamilton Sundstrand Service Bulletin ERPS06M-29-16, dated July 18, 2002; and Liebherr-Aerospace Service Bulletin 1560A-29-03, dated July 8, 2002; as additional sources of service information for identifying and inspecting subject RAT actuators, determining whether inspection findings are within acceptable limits, and re-identifying actuators if necessary. Although the Liebherr-Aerospace service bulletin specifies completing and returning a sheet recording compliance with that service bulletin and returning removed actuators for inspection, this AD does not require these actions. Serial Number Inspection (b) Within 24 months after the effective date of this AD, inspect the RAT actuator to determine its serial number (S/N), per the applicable service bulletin. If the RAT actuator has a S/N greater than 1286, re-identify the RAT actuator, per the applicable service bulletin. Inspection To Determine Position of Rotary Solenoids (c) If the RAT actuator has a S/N less than or equal to 1286: Within 24 months after the effective date of this AD, perform a one-time detailed inspection of the RAT actuator to determine whether the rotary solenoids are in the correct position, per the applicable service bulletin. (1) If the position of the rotary solenoids is within the limits specified in the applicable service bulletin: Before further flight, re-identify the RAT actuator, per the applicable service bulletin. (2) If the position of the rotary solenoids is outside the limits specified in the applicable service bulletin: Before further flight, replace the RAT actuator with a new or serviceable actuator, per the applicable service bulletin. Note 2: 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.” Parts Installation (d) As of the effective date of this AD, no person may install, on any airplane, a RAT actuator having P/N 5911905, 5911326, or 5913234, unless the actions required by this AD are accomplished. Alternative Methods of Compliance (e) 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 (f) The actions shall be done in accordance with Airbus Service Bulletin A330-29-3083, dated August 6, 2002; or Airbus Service Bulletin A340-29-4064, Revision 01, dated August 8, 2002, as applicable. 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 Airbus, 1 Rond Point Maurice Bellonte, 31707 Blagnac Cedex, France. 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 3: The subject of this AD is addressed in French airworthiness directives 2002-422(B) R1 and 2002-423(B) R1, both dated January 22, 2003. Effective Date (g) This amendment becomes effective on December 21, 2004. Issued in Renton, Washington, on November 1, 2004. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-25035 Filed 11-15-04; 8:45 am] BILLING CODE 4910-13-U

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