72-09-03 BEECH: Amdt. 39-1440. Applies to Model 99 Series (Serial Numbers U-1 through U-145) Airplanes.
Compliance: Required as indicated, unless already accomplished.
To assure security of control wheel adapters, accomplish the following:
A) Within 25 hours' time in service after the effective date of this AD, remove all paint from Beech P/N 50-524590-3 control wheel adapters and dye penetrant inspect said adapters in accordance with FAA Advisory Circular 43.13-1. Repeat the inspection at 100 hour intervals thereafter. If a crack is found during any of the inspections required by this AD, prior to further flight, replace with Beech P/N 99-524036-33 control wheel adapters, except that the aircraft may be flown in accordance with FAR 21.197 to a location where the replacement may be performed.
B) When the old Beech P/N 50-524590-3 control wheel adapters are replaced by the new Beech P/N 99-524036-33 control wheel adapters the inspections called for herein areno longer required.
C) Equivalent methods of compliance must be approved by the Chief, Engineering and Manufacturing Branch, FAA, Central Region.
Beechcraft Service Instruction No. 0380-155, Rev. 1, pertains to this subject.
This amendment becomes effective May 2, 1972.