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FAA Airworthiness Directives Database

19964 ADs

AD Number Status Subject Effective Date Superseded By
77-09-07 Active
Hub Driving Center
1977-05-19
77-10-07 Active
Engine-to-Transmission Assembly
1977-05-18
77-10-09 Active
Vibration Effects
1977-05-17
77-10-06 Active
Tail Rotor Drive Shaft
1977-05-13
77-09-10 Active
Electric Trim Switch
1977-05-12
77-09-05 Active
Nose Landing Gear
1977-05-09
77-09-06 Active
Lower Rudder Bearing
1977-05-09
77-09-02 Active
Windshield Inspection and Repair
1977-05-09
77-09-04 Active
Main Landing Gear Wheel Well
1977-05-09
77-08-07 Active
External Load Release
1977-05-06
77-09-01 Active
Emergency Float Assemblies
1977-05-03
77-08-05 Active
Single Engine Takeoffs
1977-04-28
77-08-03 Active
Static System
1977-04-19
77-08-01 Active
Aileron Spar Cracks
1977-04-18
77-07-09 Active
Tailpipes
1977-04-18
77-07-10 Active
Aileron Mass Balance Support Arm
1977-04-18
77-07-11 Active
Fourth Stage Turbine Stator And Rotor
1977-04-15
66-30-04 Active
Firewall Support Tube Bracket
1977-04-13
74-17-04 Active
Fabric Reinforcement
1977-04-11
77-07-04 Active
Carburetor Heat Valve Assembly
1977-04-11
77-07-06 Active
Rudder Control Cable
1977-04-11
77-07-02 Active
Horizontal Stabilizer
1977-04-07
77-07-03 Active
Electrical Terminals
1977-04-04
77-07-01 Active
Clutch Actuator
1977-04-04
75-06-01 Active
Gearbox Deterioration
1977-04-01
77-06-05 Active
Fire Hazard in Oxygen System
1977-03-31
77-06-04 Active
Tail Rotor Assembly
1977-03-31
77-06-01 Active
Instrument Conditions
1977-03-18
74-03-03 Active
Main Landing Gears
1977-03-17
77-03-05 Active
Main Landing Gear
1977-03-14
77-05-04 Active
Crankshaft
1977-03-11
77-05-02 Active
Main Rotor Blades
1977-03-10
77-05-03 Active
Tail Rotor Control System
1977-03-07
77-02-04 Active
Wing Tip Strobe Lights
1977-03-03
72-09-01 Active
Engine Mount Pylon
1977-03-03
76-26-02 Active
Cargo Doors
1977-03-02
77-04-05 Active
Carburetor Air Intake
1977-03-01
77-04-08 Active
Spar Brackets
1977-03-01
77-02-07 Active
Propeller Feathering
1977-03-01
74-20-09 Active
Main Rotor Blades
1977-02-25
77-03-06 Active
Compressor Front Hubs
1977-02-25
75-05-06 Active
Fuel Manifold Leakage
1977-02-24
77-02-02 Active
Static Port Fittings
1977-02-22
77-04-02 Active
Directional Control
1977-02-21
74-10-09 Active
Upper Wing Surface
1977-02-21
76-18-11 Active
Aft Cargo Door
1977-02-18
77-03-01 Active
Left and Right Wing Rivets
1977-02-16
77-03-04 Active
Fuselage Splice Fitting
1977-02-14
77-04-01 Active
Trim System
1977-02-14
77-03-03 Active
Aircraft Data Plate
1977-02-09