AD 88-01-11

88-01-11 SHORT BROTHERS PLC: Amendment 39-5820. Applies to Model SD3-60 series airplanes, Serial Numbers SH3601 through SH3676, certificated in any category. Compliance required as indicated, unless previously accomplished.

To prevent incorrect installation of aileron control levers and rods, which would result in increased aileron control forces and improper aileron travel, accomplish the following:

A. Within the next 4,800 flight hours after the effective date of this AD or at the next time the aileron control system is disassembled following 90 days after the effective date of this AD, whichever occurs first, install the guards (plates) in the aileron control system, as described in the Accomplishment Instructions of Shorts Service Bulletin No. SD360-27-09, Revision No. 3, dated November 1986.

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.

C. 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 Short Brothers, 2011 Crystal Drive, Suite 713, Arlington, Virginia 22202-3702. 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 February 16, 1988.