69-05-05 PILATUS: Amdt. 39-732. Applies to Model PC-6/B-H2 and PC-6/B1-H2 airplanes.
Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished.
Check the travel of the knurled friction nut on the power control lever assembly to determine if it exceeds 3/4 of a turn. If travel exceeds 3/4 of a turn, install shim(s) of adequate thickness, or drill a new hole and insert a new cotter pin, in accordance with Pilatus Service Bulletin No. 85 dated July 1968 or later Swiss Federal Air Office-approved issue or an FAA- approved equivalent.
This amendment becomes effective March 12, 1969.