475 results found (3335ms)
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 (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
Airworthiness 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
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: The condition, if not addressed, could result in pitch link failure and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: The condition, if not addressed, could result in restrictions in the collective, directional, or pitch control systems, and subsequent loss of helicopter control.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The affected pin may shear off during flight, resulting in the main rotor blade and the main rotor head detaching from the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: This AD was prompted by a fatal accident in which a pin sheared off during flight, which resulted in the main rotor blade and the main rotor head detaching from 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 (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: unsatisfactory flight performance of the engine above pressure altitude limitations for Jet B and JP-4 fuels, which could result in low fuel pressure, engine flame-out, or engine power interruption.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: Reports of incorrectly staked spherical bearings in the directional control bellcrank assembly, which could result in wear or elongation of the bore in the bellcrank, and reduced helicopter directi...
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: tail rotor gearbox assemblies found loose on the gearbox support, which could result in structural damage and possible loss of control of the helicopter
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The unsafe condition, if not addressed, could result in fatigue and failure of the grip assembly and loss of helicopter control.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited)
Unsafe Condition: Operating a helicopter with the affected tail rotor disc assembly could result in loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited)
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: A pin P/N 204-012-104-005 with an S/N prefix 'FNFS' sheared off during flight, resulting in the main rotor blade and the main rotor head detaching from the helicopter. The pin had accumulated only ...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: A gap between the transmission restraint assembly aft attachment hardware lower washer and the mating airframe truss assembly (truss assembly) clevis lower lug.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: a manufacturing flaw that could cause a switch unit to hang in the high position and fail to indicate a low fuel condition
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: The T/R blades sustain greater loads when used on Bell Model 205B helicopters compared to their use on other model helicopters, resulting in failure of the T/R blade and subsequent loss control of ...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Unsafe Condition: Failure to observe the CFB life limit could result in excessive vibration and loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: excessive pylon pitch vibrations likely caused overload that resulted in cracked main gearbox (MGB) support case failures, and investigations are ongoing to determine the root cause of these vibrat...
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Unsafe Condition: precipitation in the forward portion of the roof structure that can lead to pooling at the bellcrank assembly and corrosion of the bearings, resulting in restrictions in the collective, directional...
Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: Corrosion detected on main rotor hub tension-torsion strap (TT strap) assemblies.
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Unsafe Condition: A bearing that migrated out of its inner ring may lead to restriction of the swashplate's movement as a result of contact or binding between the control tube clevis and the bearing housing, which m...
Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Unsafe Condition: Corrosion on tail rotor (T/R) links between the roll staked lip of bearing P/N 429-312-107-103 and the beveled edge of T/R link P/Ns 429-012-112-101/-103.
Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
Unsafe Condition: a comfort clip interfering with the seat belt inertia reel
Why matched: Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters