87-20-06 AIRBUS INDUSTRIE: Amendment 39-5734. Applies to Model A310 series airplanes with serial numbers listed in Airbus Service Bulletin A310-29-2010, Revision 3, dated August 21, 1985, certificated in any category. Compliance is required within 700 hours time in service after the effective date of this AD, unless previously accomplished.
To prevent failure of the ram air turbine (RAT) extension system and ensure deployment of the RAT when required, accomplish the following:
A. Test, inspect, and rework, if necessary, the RAT uplock hook and roller in accordance with Airbus Industrie Service Bulletin A310-29-2010, Revision 3, dated August 21, 1985.
B. Repeat the tests, inspections, and necessary rework required by paragraph A., above, at intervals not to exceed 1,400 hours time in service.
C. Incorporation of both Modification AI-5876 described in Airbus Industrie Service Bulletin A310-29-2011, Revision 1, dated September 2, 1986, and Modification AI 5958 described in Airbus Industrie Service Bulletin A310-29-2012, Revision 1, dated September 2, 1986, constitutes terminating action for the repetitive inspection requirements of paragraph B. of this AD.
D. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety, may be used when approved by the Manager, Standardization Branch, ANM-113, FAA, Northwest Mountain Region.
E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of the modifications required by this AD.
All persons affected by this directive who have not already received the appropriate service document from the manufacturer may obtain copies upon request to Airbus Industrie, Airbus Support Division, Avenue Didier Daurat, 31700 Blagnac, France. This document may be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way South, Seattle, Washington.
This amendment becomes effective October 30, 1987.