67-12-02 FAIRCHILD-HILLER: Amdt. 39-384 Part 39 Federal Register April 5, 1967. Applies to Models F-27 Series and FH-227 Series Airplanes.
Compliance required as indicated.
Due to several instances of failure of the nose landing gear to extend to full down and locked position, accomplish the following:
(a) For Model F-27 Series airplanes, Serial Numbers 108 through 122 inclusive, and Model FH-227 Series airplanes, Serial Numbers 501 through 539 inclusive, incorporating Walter Kidde nose gear steer system, P/N 891800 or P/N 893364 (spur gear system), comply with (e) within the next 100 hours' time in service after the effective date of this AD unless already accomplished.
(b) For Model F-27 Series airplanes, Serial Numbers 1 through 107 inclusive, incorporating Walter Kidde nose gear steer system, P/N 891800 or P/N 893364 (spur gear system,) comply with (e) within the next 600 hours' time in service after the effective date of this AD unless already accomplished.
(c) For Model F-27 Series airplanes, Serial Numbers 1 through 107 inclusive, incorporating Walter Kidde nose gear steer system, P/N 890373 (pneumatic gear system), comply with (f) within the next 1000 hours' time in service after the effective date of this AD unless already accomplished.
(d) For Model F-27 Series airplanes, Serial Numbers 1 through 107 inclusive, incorporating Fairchild nose gear steer system (hydraulic gear system), comply with (g) within the next 1000 hours' time in service after the effective date of this AD unless already accomplished.
(e) Install nose landing gear fork, P/N 27-423031-17, and slide, P/N 27-423006-37, in accordance with Fairchild-Hiller Service Bulletin No. 32-62 (F-27 Series), dated February 3, 1967, or Fairchild-Hiller Service Bulletin No. 32-4 (FH-227 Series), dated February 2, 1967, or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, or install an equivalent part approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(f) Install nose landing gear fork, P/N 27-423031-17, and slide, P/N 27-423006-37, in accordance with Fairchild-Hiller Service Bulletin No. 32-63, dated March 3, 1967, or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, or install an equivalent part approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.
(g) Install nose landing gear fork, P/N 27-423031-17, and slide, P/N 27-423006-39, in accordance with Fairchild-Hiller Service Bulletin No. 32-63, dated March 3, 1967, or later revision approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region, or install an equivalent part approved by the Chief, Engineering and Manufacturing Branch, FAA Eastern Region.
(h) Upon request of the operator, an FAA maintenance inspector, subject to prior approval of the Chief, Engineering and Manufacturing Branch, FAA Eastern Region may adjust the initial compliance times specified in this AD if the request contains substantiating data to justify the increase for that operator.
(Fairchild-Hiller Alert Service Letters No. 383(F-27), and 32-5 (FH-227), dated January 13, 1967 pertains to this subject.)
This directive effective April 5, 1967.