65-13-02 FAIRCHILD: Amdt. 39-82 Part 39 Federal Register June 17, 1965. Applies to Model F-27 Aircraft Serial Numbers 1 to 39 inclusive, 41 to 45 inclusive, and 47.
Compliance required within the next 500 hours' time in service after the effective date of this AD, unless already accomplished.
(a) Remove old asymmetric switches, P/N's 472-001-1 and -2, located on each outboard flap gear box at Wing Station 394.
(b) Accomplish the following modifications in accordance with paragraph 2, "Accomplishment Instructions", of Fairchild Service Bulletin No. 27-26, dated September 9, 1960, Revision 2, dated April 26, 1965, or later FAA-approved revision, or equivalent approved by the FAA Eastern Region, Engineering and Manufacturing Division:
(1) Rework the outboard flap and asymmetric switches, P/N 658-001, with the teleflex units.
(2) Install asymmetric override toggle switch at the cockpit pedestal and rewire aircraft for the new asymmetry switches and the override switch.
(c) 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 compliance time specified in this AD if the request contains substantiating data to justify the increase for such operator.
This directive effective June 17, 1965.