748 results found (1106ms)
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Fatigue cracking in the pilot cyclic stick tube assembly.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: The unsafe condition involves exceeding life limits on the main rotor (M/R) clevises, universal bearings, and universal to pitch link bolts, which could result in failure of these components and su...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Airbus SAS Airplanes
Unsafe Condition: Improper application of the fastener retorque process at the center wing box and belly fairing junctions could lead to insufficient clamping.
Why matched: Airworthiness Directives; Airbus SAS Airplanes
Airworthiness Directives; Airbus SAS Airplanes
Unsafe Condition: Double overcoating sealant was not applied during production on certain fasteners in the center wing box and belly faring junction for both left-hand and right-hand sides, and certain fasteners are...
Why matched: Airworthiness Directives; Airbus SAS Airplanes
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Chafing can occur at various locations on the electrical harnesses located in the aircraft instrument panel area.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Incorrectly installed lockwire on the stability and control augmentation system (SCAS) actuator jam nut could allow the actuator jam nut to loosen.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: A failure of the hinge assembly on the aft movable ballast box assembly, which could allow the ballast weights to escape the ballast box and strike the tail rotor assembly.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Cracked transmission oil check valve (part number 209-062-520-001) caused by incorrect torque application during assembly, potentially leading to degradation or loss of lubrication to the transmiss...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Deformation and improper pin engagement in the knuckles of the door hinge on the aft movable ballast box assembly, which could allow the ballast weights to escape the ballast box and strike the tai...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: A cracked mounting bracket on the oil cooler fan assembly housing can lead to failure of the drive shaft, loss of the tail rotor drive, and consequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Expandable blade bolts installed on the main rotor blade may not have received the correct heat treatment, which could result in stress corrosion cracking and failure of the main rotor blade assemb...
Why matched: Airworthiness Directives; Bell Textron Canada Limited 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; Bell Textron Canada Limited Helicopters
Unsafe Condition: Possible chafing in certain locations between the basic and supplemental helicopter wiring and the structure, which could lead to a short to ground and command the engine to idle, resulting in loss...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Crack initiation at the main rotor (M/R) clevis neck or threaded area, leading to failure of the M/R pitch link, which could result in loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Deformation and/or improper pin engagement in the knuckles of the door hinge on the aft movable ballast box assembly, part number SLS-706-201-007, could lead to ballast weights escaping the ballast...
Why matched: Airworthiness Directives; Bell Textron Canada Limited 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; Bell Textron Inc. Helicopters
Unsafe Condition: Cracked tail boom attachment barrel nuts (barrel nuts) due to corrosion damage, high time in service, or hydrogen embrittlement, which can cause loss of torque on the associated bolt and subsequent...
Why matched: Airworthiness Directives; Bell Textron Inc. Helicopters
Airworthiness Directives; Bell Textron Inc. Helicopters
Unsafe Condition: Failure of the tail boom attachment structure, including fatigue cracking of tail boom attachment fittings, cap angles, longerons, and bolts.
Why matched: Airworthiness Directives; Bell Textron Inc. Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Fuel leakage discovered during fuel system crash impact testing activity. The fuel drain quick disconnect valve catches on the airframe cutout upon impact, resisting against the fuel bladder rotati...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Unsafe Condition: The failure of a tension torsion (TT) strap, which can result in loss of a main rotor blade and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron, Inc.), Helicopters
Unsafe Condition: The unsafe condition is a fatigue crack in a tail boom attachment cap angle, which can lead to failure of the cap angle, loss of the tail boom, and subsequent loss control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron, Inc.), Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: A certain part-numbered fuel system standpipe assembly (standpipe) may have sharp edges at the interval weld joints due to a quality escape during the manufacturing process.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Manufacturing defect in certain serial-numbered tail rotor (T/R) blades part number 429-016-101-105, resulting in the presence of stress risers and potential fatigue cracking in the T/R blade abras...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Cracking in the vertical stabilizer top end cap assembly, which could result in the antenna or tuning weight departing from the helicopter and impacting and damaging the tail rotor, resulting in th...
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: A disbonded area in a tail rotor (T/R) blade that could result in severe vibration, failure of the T/R blade, and subsequent loss of T/R control.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters