69-08-06 FAIRCHILD: Amdt. 39-750. Applies to All Model F-27 Series and FH-227 Series Airplanes.
Compliance required within the next 500 hours time in service after the effective date of this AD unless already accomplished.
To prevent hazards associated with an unselected landing gear retraction on the ground, accomplish the following:
(a) Rewire the landing gear retraction system in accordance with Fairchild Hiller Service Bulletin 32-64 dated June 12, 1967, for F-27 aircraft and Fairchild Hiller Service Bulletin 32-5 dated March 13, 1967, for FH-227 aircraft or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, or equivalent modification approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
(b) Upon request, with substantiating data submitted through an FAA Maintenance Inspector, compliance time may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.This amendment is effective April 23, 1969.