AD 88-05-03

88-05-03 BRITISH AEROSPACE: Amendment 39-5859. Applies to Model HS 748 series airplanes, certificated in any category.

Compliance required within 60 days after the effective date of this AD, unless already accomplished.

To prevent reduced controllability of the airplane caused by interference between the spring strut rudder lock control and the lower rudder hinge box, accomplish the following:

A. Inspect the spring strut rudder lock control and reorient, if necessary, in accordance with British Aerospace HS-748 Service Bulletin 27/109, dated October 29, 1985.

B. An alternate means of compliance or adjustment of the compliance time, which provides an acceptable level of safety and which has the concurrence of an FAA Principal Maintenance Inspector, may be used when approved by the Manager, Standardization Branch, FAA, Northwest Mountain Region.

C. Airplanes may be flown to a maintenance base for repairs or replacements in accordance with FAR 21.197 and 21.199.

All persons affected by this airworthiness directive who have not already received copies of the appropriate service bulletin from the manufacturer may obtain copies upon request to British Aerospace PLC, Librarian for Service Bulletins, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041. This document may also be examined at the FAA, Northwest Mountain Region, 17900 Pacific Highway South, Seattle, Washington, or the Seattle Aircraft Certification Office, 9010 East Marginal Way, Seattle, Washington.

This amendment becomes effective April 6, 1988.