AD 71-25-03

71-25-03 BEECH: Amdt. 39-1351. Applies to Models A23A, B23, C23 (Serial Numbers M-1069 thru M-1310); Models 19A, M19A, B19 (Serial Numbers MB-289 thru MB-500); Models A23-24 and A24 (Serial Numbers MA-273 thru MA-368); and Models A24R (Serial Numbers MC-3 thru MC-72, except MC-22, MC-23, MC-39, MC-43, MC-63, MC-64 and MC- 71) airplanes, and to other serial numbers of those model airplanes listed herein which have had the fuel and/or the oil pressure instrument lines replaced with the Beech Part No. 130524-3 fire sleeved lines.

Compliance: Required as indicated, unless already accomplished.

To eliminate a hazard to the safe operation of these airplanes, within the next 100 hours' time in service after the effective date of this AD, or at the next annual inspection, whichever occurs first, accomplish the following:

Install fuel restrictor assembly and oil restrictor assembly at appropriate engine positions in accordance with Beechcraft Service Instruction 0411-240, Rev. 1, or a later approved revision. Equivalent methods of compliance are satisfactory if referred to and approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.

This amendment becomes effective December 3, 1971.