91-13-01 AIRBUS INDUSTRIE: Amendment 39-7032. Docket No. 90-NM-217-AD.
Applicability: Model A310-200 series airplanes, Serial Numbers 162 through 357, certificated in any category.
Compliance: Required as indicated, unless previously accomplished.
To prevent reduced structural integrity of the fuselage, accomplish the following:
A. Prior to the accumulation of 12,000 landings, or within 2,000 landings after the effective date of this AD, whichever occurs later, and thereafter at intervals not to exceed 3,000 landings, perform a visual inspection of Frame 46 at the level of the frame reinforcement angle runout between Stringer 21 and Stringer 22 (left and right), in accordance with Airbus Industrie Service Bulletin A310-53-2054, Revision 2, dated May 22, 1990. If cracks are found, prior to further flight, repair in accordance with the service bulletin.
B. Modification of the reinforcement angle runout by tapering the angle and reducing the thickness, in accordance with Airbus Industrie Service Bulletin A310-53-2019, Revision 2, dated May 22, 1990, constitutes terminating action for the repetitive inspections required by paragraph A. of this AD.
C. An alternative method 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, Transport Airplane Directorate.
NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Standardization Branch, ANM-113.
D. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base in order to comply with the requirements of this AD.
All persons affected by this directive who have not already received the appropriate service documents from the manufacturer may obtain copies upon request to Airbus Industrie, Airbus Support Division, AvenueDidier Daurat, 31700 Blagnac, France. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 1601 Lind Avenue S.W., Renton, Washington.
This amendment (39-7032, AD 91-13-01) becomes effective July 15, 1991.