AD 90-04-09

90-04-09 BRITISH AEROSPACE: Amendment 39-6511. Docket No. 89-NM-216-AD. Applicability: Model BAe 146-200A and -300A series airplanes, as listed in British Aerospace Service Bulletin 53-84-00737D, Revision 1, dated August 22, 1989, certificated in any category.

Compliance: Required prior to the accumulation of 3,000 landings since new, or within 30 days after the effective date of this AD, whichever occurs later, unless previously accomplished.

To prevent reduced structural integrity of the fuselage, accomplish the following:

A. Modify the fuselage rear section by adding eight rivets to the Stringer 21P end termination area, in accordance with British Aerospace Service Bulletin 53-84-00737D, Revision 1, dated August 22, 1989.

B. 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.

NOTE: The request should be forwarded through an FAA Principal Maintenance Inspector (PMI), who will either concur or comment and then send it to the Manager, Standardization Branch, ANM-113.

C. 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 British Aerospace, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. These documents may be examined at the FAA, Northwest Mountain Region, Transport Airplane Directorate, 17900 Pacific Highway South, Seattle, Washington, or the Standardization Branch, 9010 East Marginal Way South, Seattle, Washington.

This amendment (39-6511, AD 90-04-09) becomes effective on March 19, 1990.