80-22-54 ROCKWELL: Amendment 39-3990. Applies to Rockwell NA-265-60 airplanes modified in accordance with Raisbeck Group STC SA687NW and Rockwell NA-265-80 airplanes modified in accordance with Raisbeck STC SA847NW. To prevent failure of the lateral control system, accomplish the following:
A. Before further flight visually inspect for nicks, burrs or other damage, the aileron cables, and the sector to which the cables attach, in the area of the sector, at approximately wing station 160. Inspect these parts in both wings.
B. Cables found damaged are to be replaced. Sectors found damaged are to be replaced or repaired, as necessary, in accordance with FAR Part 43, or in a manner approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Region.
C. Airplanes may be ferried in accordance with FAR 21.199 to a Maintenance Base, for the purpose of complying with this AD.
D. This Airworthiness Directive is not applicable to airplanes inspected in accordance with the above if the inspections were accomplished after October 20, 1980.
This amendment becomes effective December 24, 1980, and was effective earlier to those recipients of telegraphic AD T80-22-54 dated October 24, 1980.