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FAA Airworthiness Directives Database

20,156 of 20151 ADs

AD Number Status Subject Effective Date Superseded By
77-16-10 Active
Navigation Systems
1977-09-08 —
77-16-07 Active
Main Rotor Gearbox
1977-09-06 —
77-16-12 Active
Low Turbine Shaft
1977-08-31 —
77-16-02 Active
Pistons
1977-08-31 —
77-10-05 Active
Main Rotor Blades Skin Cracks
1977-08-31 —
77-18-01 Active
Engine Oil Cooler
1977-08-31 —
77-21-04 Active
Clutch and Shaft Assembly
1977-08-31 —
77-16-04 Active
Wing Structure
1977-08-31 —
77-17-13 Active
Nose Landing Gear Doors
1977-08-30 —
76-07-12 Active
Ignition Switches
1977-08-30 —
77-17-12 Active
Wing Spar Chord Splice Joints
1977-08-30 —
77-15-16 Active
Structure of Horizontal Stabilizer
1977-08-29 —
77-15-17 Active
Hydraulic Pressure Line
1977-08-29 —
77-15-14 Active
Landing Gear Wheels
1977-08-29 —
77-15-15 Active
Cabin pressure
1977-08-29 —
77-15-13 Active
Main Landing Gear Damper Ram
1977-08-24 —
77-17-06 Active
Auxiliary Power Units
1977-08-24 —
77-14-19 Superseded
Engine Pylon
1977-08-23
2000-22-14
77-15-07 Active
Aileron Control Rods
1977-08-22 —
77-15-06 Superseded
Engine Mounts
1977-08-22
2002-05-04
77-17-02 Active
Autopilot Actuators
1977-08-22 —
77-15-08 Active
Pilot or Copilot Seats
1977-08-22 —
77-17-03 Active
Tail Rotor Blade Pitch Horn
1977-08-19 —
77-17-01 Active
Structural Integrity
1977-08-18 —
75-08-09 Active
Oil Pump Drive Shaft
1977-08-18 —
77-14-08 Active
Water in Fuselage
1977-08-18 —
77-15-02 Active
Aileron Control
1977-08-15 —
77-14-12 Active
Passenger Oxygen System
1977-08-15 —
77-16-11 Active
Horizontal Stabilizers
1977-08-15 —
77-16-05 Active
Fuel Selector Valve
1977-08-11 —
77-16-01 Active
Actuating Pins
1977-08-09 —
77-14-15 Active
Corrosion of Engine Mount Stay Strut
1977-08-08 —
77-16-08 Active
Wing Panels
1977-08-08 —
77-14-13 Active
Airplane Roll
1977-08-08 —
69-24-04 Active
Minimum Control Speed
1977-08-05 —
77-14-04 Active
Electrical Power
1977-08-05 —
77-14-05 Active
APU Oil Contents
1977-08-05 —
77-07-08 Active
Tail Rotor Tension Torsion Bars
1977-08-05 —
77-15-05 Active
Fin Top Ribs
1977-08-04 —
77-15-10 Active
Airspeed Indicators
1977-08-04 —
77-14-02 Active
Forward Engine Mount Support Structure
1977-08-01 —
77-13-20 Active
Fuel Shutoff Valve
1977-08-01 —
77-13-15 Active
Floor Beam Cracking
1977-08-01 —
77-14-03 Active
Tail Rotor Directional Control
1977-08-01 —
77-15-01 Active
Tail Rotor Drive System
1977-07-28 —
77-14-18 Active
Airplane Control
1977-07-28 —
77-15-03 Active
Elevator Torque Tube Quadrant
1977-07-27 —
77-13-18 Active
Nose Landing Gear System
1977-07-27 —
77-15-04 Active
Tail Rotor Pitch Link Assembly
1977-07-26 —
77-13-06 Active
Landing Flaps
1977-07-25 —