76-10-07 FAIRCHILD: Amendment 39-2609. Applies to all F-27 airplanes incorporating the outward opening large cargo door installed in accordance with STC No. SA932SW.
Compliance required within the next 300 hours' or 30 days' time in service, whichever occurs first, after the effective date of this AD unless already accomplished.
To prevent inadvertent opening of the large cargo door in flight, accomplish the alteration in paragraph 2, Accomplishment Instructions, in Fairchild Service Bulletin F27-52-31 dated January 8, 1976, for F-27 airplanes or an equivalent alteration approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southwest Region.
This amendment becomes effective June 14, 1976.