AD 89-18-05

89-18-05 BRITISH AEROSPACE: Amendment 39-6298. (Docket No. 89-NM-53-AD)

Applicability: Model BAC 1-11 200 and 400 series airplanes, certificated in any category.

Compliance: Required as indicated, unless previously accomplished.

To prevent uncommanded thrust reverser selection, accomplish the following:

A. Prior to the accumulation of 1,500 landings or within 3 months after the effective date of this AD, whichever occurs first, inspect the thrust reverser cables to determine correct installation, in accordance with British Aerospace Alert Service Bulletin 76-A-PM5978, Issue No. 1, dated November 14, 1988.

B. If thrust reverser cables are found to be worn or damaged, or if cables are found to be incorrectly routed, replace prior to further flight, in accordance with the maintenance manual referenced in British Aerospace Alert Service Bulletin 76-A-PM5978, Issue No. 1, dated November 14, 1988.

C. 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.

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 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 (39-6298, AD 89-18-05) becomes effective on September 21, 1989.