133 results found (911ms)
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: The incorrect installation of the swashplate duplex bearing could lead to bearing failure and subsequent loss of main rotor control.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Cracking on the ejector ducts, including the exhaust bracket reinforcements and reinforcement plates.
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Cracks on the left-hand and right-hand tube assemblies installed on the brake pedal assemblies.
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Damaged spare inflation system of a certain life raft kit due to the inappropriate shipment of the parts.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Cracking at the intersection of the lateral pylon and floor spar at station (STA) 1815.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Interference found in the overhead panel area between the electrical cables and adjacent connectors could result in chafing of the electrical cables, leading to a fire in the overhead panel with co...
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: The absence of instructions on the information placards located next to the rear-facing seats to lock the seat headrest in the highest position during takeoff and landing could result in injury to ...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Occurrences of a cracked main gearbox (MGB) support case have been reported on Leonardo S.p.a. Model AB412 and AB412EP helicopters. The MGB support case cracking can result in structural failure of...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: A failure of a cap angle having part number (P/N) 212-030-191-1 was reported, and the preliminary investigation identified that the failure was due to a crack in the hi-lock hole.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Reports of trapped residue in the rear pneumatic line due to a non-optimal cleaning procedure during an engine shop visit.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Manufacturing defects in certain forward and aft float assemblies could result in failure of a float assembly during an emergency landing on water and could prevent a timely egress from the helicop...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: A fire occurred during the operational check of the engine anti-icing system, involving the engine intake air cowling, wirings, and secondary structures of the intake air frame and upper deck panels.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Improper torque values for swashplate nuts (part number NAS1805-4) could result in failure of the main rotor function and consequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Incorrect installation of the bolts that attach the pitch (longitudinal) actuator assembly and the roll (lateral) actuator assembly to their respective bellcrank assemblies of the cyclic control sy...
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: Incorrect installation of the motor (MTR) cables and the bonding braids connected to the engine fire extinguisher bottles.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.A. Helicopters
Unsafe Condition: an electrical failure of the starter-generator, due to a rupture of the drive shaft, which resulted in a partial loss of battery power.
Why matched: Airworthiness Directives; Leonardo S.p.A. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: A report was received of a quality escape on a batch of main rotor blades (MRBs), where the tip cap had been replaced by following a procedure and using tools not in accordance with Leonardo Techni...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
Unsafe Condition: Occurrences of AC32 Digital ADCs that stopped functioning due to the power module failing at temperatures below -20 degrees Celsius.
Why matched: Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: The rescue hoist cable assembly may be equipped with a defective ball end, which could lead to failure of the rescue hoist cable assembly, possibly resulting in injuries to a human load, or to pers...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Fatigue cracking of the main landing gear (MLG) shock absorber piston rod eye ends.
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Various Helicopters
Unsafe Condition: Difficulty pulling the emergency float kit activation handle installed on the pilot cyclic, and deficiencies in the installation of the cables on the emergency float kits.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Cracks found on tail rotor (TR) damper bracket assemblies due to stress corrosion, which could lead to fracture of the affected part, TR blade loss, unbalance or damage to the tail or other parts o...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Abnormal play on the collective torque tube assemblies, which could result in reduced control of the helicopter, leading to a forced landing and potential damage to the helicopter and injury to occ...
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: Loose tail rotor duplex bearing locking nuts, possibly caused by improper installation.
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters
Airworthiness Directives; Leonardo S.p.a. Helicopters
Unsafe Condition: a report of abnormal oscillatory behavior during automated glide slope approaches, due to sealant on the glide slope (G/S) antenna coaxial connectors
Why matched: Airworthiness Directives; Leonardo S.p.a. Helicopters