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FAA Airworthiness Directives Database

20,156 of 20151 ADs

AD Number Status Subject Effective Date Superseded By
77-13-10 Active
Aileron Inner Hinge Bracket
1977-07-25 —
77-13-11 Active
Emergency Brake Control Valve
1977-07-25 —
77-12-04 Active
Upper Cargo Door
1977-07-22 —
77-14-11 Active
Flap Structure
1977-07-21 —
77-13-02 Active
Brake Control
1977-07-20 —
77-14-14 Active
Skin Deformation And Loose Or Missing Rivets
1977-07-19 —
77-14-09 Active
Aircraft Controllability
1977-07-18 —
77-09-08 Active
Bleed Valve Diaphragm
1977-07-18 —
77-12-03 Active
Engine Mount Stay Strut
1977-07-18 —
77-11-03 Active
1977-07-16 —
77-14-01 Active
Main Rotor Flaps
1977-07-15 —
77-14-07 Superseded
Blank Shank
1977-07-14
97-18-02
77-08-06 Active
Engine Oil
1977-07-08 —
77-13-13 Active
Loss of Rudder Feel Capability
1977-07-07 —
77-13-14 Active
Drag Brace Fittings
1977-07-07 —
75-14-04 Active
Rudder Cables
1977-07-07 —
77-13-17 Active
Actuating Pins
1977-07-06 —
77-13-16 Active
Carburetors
1977-07-06 —
77-13-08 Active
Right and Left Truss Assemblies
1977-07-01 —
76-10-01 Active
Tail Boom
1977-07-01 —
77-13-07 Active
Aileron Control System
1977-07-01 —
77-13-04 Active
Placard-Brake Warning
1977-06-29 —
77-13-05 Active
Missing Rivets In Bulkhead
1977-06-29 —
77-12-08 Active
External Electrical Ground Power Receptacle
1977-06-27 —
76-24-01 Active
Eighth Stage Compressor Disk
1977-06-22 —
77-07-05 R1 Superseded
Control Rotor Blade Spar Tube and Cuff
1977-06-20
97-10-16
77-12-07 Active
Fuel Valve Actuator Assembly
1977-06-20 —
77-07-05 Superseded
Control Rotor Blade Spar Tube and Cuff
1977-06-20
97-10-16
76-20-08 Active
Main Landing Gear
1977-06-17 —
77-10-01 Active
Fire Resistant Prop Feathering System
1977-06-16 —
77-10-03 Active
Fire Resistant Prop Feathering System
1977-06-16 —
77-10-02 Active
Fire Resistant Prop Feathering System
1977-06-16 —
77-11-02 Active
Main Rotor
1977-06-14 —
77-12-01 Active
Fuel System
1977-06-10 —
77-12-02 Active
Elevator Balance Weights
1977-06-10 —
76-22-02 Active
'Y' Type Shoulder Harness
1977-06-02 —
77-10-14 Active
Main Landing Gear Actuator
1977-05-26 —
77-08-04 Active
Engine Mount Fittings
1977-05-26 —
77-10-11 Active
Landing Gear Lug
1977-05-26 —
77-10-12 Active
Crank Arm Assembly
1977-05-26 —
77-10-10 Active
Electrical System
1977-05-23 —
75-13-01 Active
Main Rotor Assembly
1977-05-20 —
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 —