Stolp-Adams Company Airworthiness Directives

1 AD indexed for Stolp-Adams Company aircraft.

Models

final rule

Airworthiness Directives; Sikorsky Models YR-6A, R-6A, and HOS-1 Helicopters

Unsafe Condition: Failure of the pinion and ring gears in the main gearbox due to improper installation of the power takeoff assembly.

Category: aircraft Compliance: At each removal and replacement of the power takeoff assembly.

Why matched: Airworthiness Directives; Sikorsky Models YR-6A, R-6A, and HOS-1 Helicopters