42 ADs indexed for Enstrom Helicopter Corporation, The aircraft.
Airworthiness Directives; Various Airplanes, Helicopters, and Engines
Unsafe Condition: Multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to the turbocharger exhaust housing flange.
Why matched: Airworthiness Directives; Various Airplanes, Helicopters, and Engines
Airworthiness Directives; Various Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
Unsafe Condition: Cracks in the main rotor spindle, which could result in loss of a main rotor blade and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
Unsafe Condition: Failure of a rod end bearing assembly may result in the loss of a main rotor blade.
Why matched: Airworthiness Directives; The Enstrom Helicopter Corporation Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation
Unsafe Condition: Cracks in the main rotor spindle, which can lead to main rotor blade separation and subsequent loss of control of the helicopter.
Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
Unsafe Condition: Failure of the cyclic trim system, which may lead to reduced controllability and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
Unsafe Condition: Failure of the cyclic trim system, specifically involving trim relays part-number KUP14D55-472, M83536/10-015M, or M83536/10-024M, which can lead to reduced controllability and potential loss of co...
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters
Unsafe Condition: Corrosion in the main rotor push-pull control rods (push-pull rods) can lead to pitting, internal moisture, or failure, potentially causing severe in-flight vibration and loss of control.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F- 28A, F-28C, F-28F, TH-28, 280, 280C, 280F, 280FX, 480, and 480B Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B Helicopters
Unsafe Condition: Failure of a main rotor blade retention pin, leading to separation of the main rotor blade and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F- 28, F-28A, F-28C, F-28C-2, F-28C-2R, F-28F, F-28F-R, 280, 280C, 280F, 280FX, TH-28, 480, and 480B Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and 280FX Helicopters
Unsafe Condition: Shaft failure in the main rotor transmission, which could lead to loss of control of the helicopter.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and 280FX Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F and 280FX Helicopters
Unsafe Condition: Fatigue crack in the main rotor shaft fillet area, particularly in shafts with a small upper fillet radius of 0.13 inch, leading to potential shaft failure and loss of control.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F and 280FX Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, 280 and 280C Helicopters
Unsafe Condition: Failure of the Prestolite-manufactured voltage regulator, part number VSF7203, or over-voltage relays, part numbers X16799, X17621, or FOC-4002A, could result in an electrical overload and overheat...
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F-28A, F-28C, 280 and 280C Helicopters
Airworthiness Directives; Enstrom Helicopter Corporation Model F- 28A, F-28C, 280 and 280C Helicopters
Unsafe Condition: Failure of the voltage regulator and over-voltage relay could result in an inflight fire and subsequent forced landing.
Why matched: Airworthiness Directives; Enstrom Helicopter Corporation Model F- 28A, F-28C, 280 and 280C Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28A, F-28C, F-28C-2, 280, and 280C Helicopters
Unsafe Condition: Failure of the upper and lower swashplate bearings and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28A, F-28C, F-28C-2, 280, and 280C Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX Helicopters
Unsafe Condition: Failure of the main rotor transmission clutch assembly, leading to loss of control of the main rotor system and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX Helicopters
Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28A, F-28C, F-28C2, F-28F, 280, 280C, 280F, and 280FX Series Helicopters
Unsafe Condition: Delamination and extrusion of the main rotor feathering elastomeric Lamiflex bearing (part numbers 28-14320-12 or 28-14320-15) causes loss of flight control system feedback dampening, leading to su...
Why matched: Airworthiness Directives; The Enstrom Helicopter Corporation Model F-28A, F-28C, F-28C2, F-28F, 280, 280C, 280F, and 280FX Series Helicopters
Airworthiness Directives; THE ENSTROM HELICOPTER CORPORATION Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX Series Helicopters
Unsafe Condition: Failure of the trim motor relay could result in full deployment of the trim system, high cyclic control forces, and loss of control of the helicopter.
Why matched: Airworthiness Directives; THE ENSTROM HELICOPTER CORPORATION Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX Series Helicopters
Airworthiness Directives: The Enstrom Helicopter Corporation Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX Series Helicopters
Unsafe Condition: Cracked tail rotor spindles, part numbers 28-150064-11 or 28-150064-13, could fail leading to loss of directional control and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives: The Enstrom Helicopter Corporation Model F-28C, F-28C-2, F-28F, 280C, 280F, and 280FX Series Helicopters
Airworthiness Directives; THE ENSTROM HELICOPTER CORPORATION Model F-28A, F-28C, F-28C2, F-28F, 280, 280C, 280F, and 280FX Helicopters
Unsafe Condition: Failure of the main rotor shaft due to composite-wrapping separation, corrosion, red color residue, or cracks could result in loss of the main rotor and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; THE ENSTROM HELICOPTER CORPORATION Model F-28A, F-28C, F-28C2, F-28F, 280, 280C, 280F, and 280FX Helicopters
Airworthiness Directives; ENSTROM HELICOPTER CORPORATION Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX Series Helicopters
Unsafe Condition: Loss of tail rotor thrust and directional control due to failure of five-plate flex-pack couplings (Dana Corp. P/N A005-1991) could result in substantial damage or loss of the helicopter.
Why matched: Airworthiness Directives; ENSTROM HELICOPTER CORPORATION Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C, 280F, and 280FX Series Helicopters