65-13-03 FAIRCHILD: Amdt. 39-85 Part 39 Federal Register June 18, 1965. Applies to Model F-27 Aircraft Serial Numbers 1 through 95.
Compliance required within the next 50 hours' time in service after the effective date of this AD unless already accomplished.
To prevent further malfunctions of the actuator shaft to flap gear box connecting shaft universal joints resulting in an asymmetric flap condition, accomplish the following:
Modify the actuator shaft to flap gear box connecting shaft universal joints in accordance with Fairchild Service Bulletin No. 27-35, dated June 15, 1962, or later FAA-approved revision, or an equivalent approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
This directive effective July 18, 1965.