69-11-04 BELL: Amdt. 39-778. Applies to Model 206A helicopters.
Compliance required as indicated.
To balance directional control pedal forces at cruise flight, to prevent pedal creep and to eliminate a possible interference between the pilots' feet and protruding head screws in the instrument console, accomplish the following:
a. Install and adjust the spring, P/N 206-001-721, and friction clamp, P/N 206-001- 710, within 50 hours' time in service after the effective date of this AD, unless already accomplished, in accordance with the instructions in Bell Helicopter Company Service Bulletin No. 206A-5, Reissue dated May 23, 1969, or later FAA-approved revision or in accordance with instructions approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, FAA.
b. Inspect and adjust, if necessary, the spring, P/N 206-001-721, and friction clamp, P/N 206-001-710, within 50 hours' time in service after the effective date of this AD, unless accomplished within the last 50 hours' time in service, in accordance with Item 4 on Page 2 of Bell Helicopter Company Service Bulletin No. 206A-5, Reissue dated May 23, 1969, or later FAA-approved revision, or in accordance with instructions approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, FAA.
c. Replace the three protruding head screws on the right and left side of the instrument panel console that are adjacent to the pilots' pedals and install equivalent flat head screws within 50 hours' time in service after the effective date of this AD, unless already accomplished, in accordance with the instructions in Bell Helicopter Company Service Letter No. 206A-120, dated May 16, 1969, or later FAA-approved revision or in accordance with an equivalent method approved by the Chief, Engineering and Manufacturing Branch, Flight Standards Division, Southwest Region, FAA.
(Bell Helicopter Company Model 206A Maintenance and Overhaul Instructions Interim Revisions No. 206A-69-20 and No. 206A-69-21 dated May 15, 1969, and No. 206A-69-22 dated May 23, 1969, pertain to this subject.)
This amendment becomes effective May 28, 1969.
Revised June 14, 1969.