70-15-03 BEECH: Amdt. 39-1037. Applies to Models 23, A23, A23A and B23 (Serial Numbers M-1 through M-1162); A23-24 (Serial Numbers MA-1 through MA-333); and A23-19 and 19A (Serial Numbers MB-1 through MB-392) Airplanes.
Compliance: Required as indicated, unless already accomplished.
To prevent stiff operation, binding and seizing of Beech P/N 169-920000-127 fuel selector valve assembly, accomplish the following:
Within 25 hours' time in service after the effective date of this AD, modify Beech P/N 169-920000-127 fuel selector valve assembly in accordance with Beechcraft Service Instructions No. 0364-289, or later FAA approved revision, or an equivalent method approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
This amendment becomes effective July 21, 1970.