7 Airworthiness Directives: 4 airplane, 1 rotorcraft, 2 engine.
AD 76-22-05 · published Dec 10, 1976, effective Dec 10, 1976
The Boeing Company Airplanes
AD 76-22-06 · published Dec 10, 1976, effective Dec 10, 1976
Lockheed Martin Corporation Airplanes
AD 76-22-07 · published Dec 10, 1976, effective Dec 10, 1976
The Boeing Company Airplanes
AD 76-25-03 · published Dec 10, 1976, effective Dec 10, 1976
Columbia Helicopters, Inc. Helicopters
AD 76-24-05 · published Dec 14, 1976, effective Dec 14, 1976
Rolls-Royce Limited, Bristol Engines Division Engines
AD 76-24-03 · published Dec 30, 1976, effective Dec 30, 1976
Pratt & Whitney Division Engines
