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FAA Airworthiness Directives Database

20,156 of 20151 ADs

AD Number Status Subject Effective Date Superseded By
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 —
77-02-03 Active
Stage 4 Turbine Buckets
1977-02-09 —
77-02-10 Active
Fuselage Bonding Strips
1977-02-04 —
77-02-09 Active
Wing Flap System
1977-02-03 —
77-02-08 Active
Batteries
1977-02-01 —
74-08-07 Active
Landing Gear System
1977-02-01 —
77-02-06 Active
Wing Attachment Fittings
1977-01-28 —
76-04-01 Active
Main Gear Extension
1977-01-27 —
76-25-05 Active
Aileron Control
1977-01-24 —