65-24-03 FAIRCHILD: Amdt. 39-147 Part 39 Federal Register October 8, 1965. Applies to Model F-27 Series Airplanes.
Compliance required as indicated.
(a) For airplanes repaired in accordance with Fairchild Service Bulletin 51-2 within the last 575 hours' time in service before the effective date of this AD, comply with (c) and (d) beginning within 600 hours' time in service after the repair.
(b) For airplanes not repaired in accordance with Fairchild Service Bulletin 51-2 within the last 575 hours' time in service before the effective date of this AD, comply with (c) and (d) beginning within the next 25 hours' time in service after the effective date of this AD.
(c) Inspect in accordance with Service Bulletin 51-2, Revision 8, dated September 23, 1966, including Supplements 001 through 011 or later additional supplements and revisions approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, or in accordance with an equivalent inspection program approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(d) If cracks are found or if repaired cracks are found to be propagating, replace the cracked part with a part of the same part number or an FAA-approved equivalent, or incorporate an FAA Engineering approved repair before further flight, except that the airplane may be flown in accordance with FAR 21.197 to a base where the repair can be made.
(e) Upon request of an operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, may adjust the repetitive inspection intervals specified in this AD to permit compliance at an established inspection period of the operator if the request contains substantiating data to justify the increase for such operator.
This supersedes AD 63-16-3.
This directive effective November 7, 1965.
Revised April 4, 1967