2026-14-07 Recurring
final ruleAirworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
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50 results found (4808ms)
2026-13-12
final ruleAirworthiness 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
2026-10-04
final ruleAirworthiness 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
2026-06-02
final ruleAirworthiness 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
2026-05-51
final ruleAirworthiness 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
2025-25-01 Recurring
final ruleAirworthiness 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
2025-22-03
final ruleAirworthiness 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
2025-18-10
final ruleAirworthiness 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
2025-13-01
final ruleAirworthiness 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
2025-09-01 Recurring
final ruleAirworthiness 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
2025-09-03 Recurring
final ruleAirworthiness 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
2025-06-51
final ruleAirworthiness 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
2024-20-07 Recurring
final ruleAirworthiness 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
2024-15-10
final ruleAirworthiness 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
2024-10-12
final ruleAirworthiness 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
2024-07-51 Recurring
final ruleAirworthiness 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
2024-02-55 Recurring
final ruleAirworthiness 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
2023-17-51
final ruleAirworthiness 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
2023-12-26
final ruleAirworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Failure to comply with the correct operating limitations could result in low fuel pressure, engine flame-out, or engine power interruption.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
2023-11-07
final ruleAirworthiness Directives; Various Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Various Helicopters
2023-06-05 Recurring
final ruleAirworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: A loss of tail rotor (TR) drive due to a failure of an adhesively bonded joint between an adapter and a tube on one of the segmented TR drive shaft (TRDS) assemblies.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
2022-27-08
final ruleAirworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Failure of the tailboom attachment hardware.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
2022-23-02 Recurring
final ruleAirworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: A report of a crack on the tailboom lower skin due to fatigue damage, which could affect the structural integrity of the tailboom.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
2022-20-04
final ruleAirworthiness Directives; Bell Textron Canada Limited Helicopters
Unsafe Condition: Failure or loss of a nut on the TRDS Thomas couplings, which if not addressed could result in loss of the tail rotor and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited Helicopters
2022-22-08 Recurring
final ruleAirworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: delamination of M/R blades
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters