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2022-23-02 Recurring

final rule

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.

Effective: Jan 3, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2022-22-08 Recurring

final rule

Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

Unsafe Condition: delamination of M/R blades

Effective: Dec 23, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2022-09-07

final rule

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.

Effective: May 31, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2022-06-20 Recurring

final rule

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.

Effective: Apr 26, 2022 Category: aircraft Compliance: Within 12 months after the helicopter was manufactured or 30 days after the effective date of thi...

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2021-24-04

final rule

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.

Effective: Jan 13, 2022 Category: aircraft Compliance: Within 30 calendar days after the effective date of this AD

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2021-20-11 Recurring

final rule

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...

Effective: Nov 22, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2021-18-16 Recurring

final rule

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

Effective: Nov 1, 2021 Category: aircraft Compliance: Within 12 months after the effective date

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2021-15-06

final rule

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.

Effective: Aug 27, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited)

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2021-13-15

final rule

Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jul 29, 2021 Category: aircraft

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2021-11-19

final rule

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.

Effective: Jul 16, 2021 Category: aircraft Compliance: Within 100 hours time-in-service (TIS)

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2021-10-08

final rule

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

Effective: Jun 11, 2021 Category: aircraft Compliance: Within 100 hours after the effective date of this AD

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2021-03-13

final rule

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.

Effective: Apr 1, 2021 Category: aircraft Compliance: Within 50 hours time-in-service

Why matched: Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters

2020-20-06 Recurring

final rule

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...

Effective: Oct 30, 2020 Category: aircraft Compliance: Within 12 months after the helicopter was manufactured or 30 days after the effective date of thi...

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

2020-19-05

final rule

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...

Effective: Oct 8, 2020 Category: aircraft Compliance: Within 20 hours time-in-service (TIS)

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2020-17-10 Recurring

final rule

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.

Effective: Sep 21, 2020 Category: aircraft Compliance: Within 12 months of effective date

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2020-04-21

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: Disengaged teeth of a curvic coupling due to improper installation, which may result in loosening of the T/R assembly and subsequent vibration and loss of drive to the outboard T/R blades, leading ...

Effective: Mar 31, 2020 Category: aircraft Compliance: Within 10 hours TIS

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2019-23-09

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: A crack on the vertical fin skin that could lead to structural failure of the fin, separation of the skin from the helicopter, damage to the main or tail rotor blades and loss of helicopter control.

Effective: Jan 10, 2020 Category: aircraft Compliance: Within 25 hours time-in-service (TIS) or before the helicopter has accumulated 1,500 hours TIS, w...

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2019-11-05

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: a worn pitch link. This condition, if not corrected, could result in pitch link failure and subsequent loss of control of the helicopter.

Effective: Jul 12, 2019 Category: aircraft Compliance: Within 50 hours TIS

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2019-08-10

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: A blocked oil line restrictor in the freewheel lubrication system could cause failure of the freewheel assembly, failure of the main rotor mast, and subsequent loss of control of the helicopter.

Effective: Jun 24, 2019 Category: aircraft Compliance: Within 100 hours time-in-service

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2019-06-04

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: a worn bearing, which could result in failure of a bearing, which could lead to reduced helicopter handling, damage to other components, and subsequent loss of helicopter control.

Effective: May 7, 2019 Category: aircraft Compliance: Within 20 hours time-in-service (TIS)

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2019-03-05

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: fatigue failure of an NLG assembly, which could result in subsequent damage to and loss of control of the helicopter

Effective: Mar 26, 2019 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2018-25-17

final rule

Airworthiness Directives; Air Comm Corporation Air Conditioning Systems

Unsafe Condition: An overheated connector, which could result in a fire and subsequent loss of control of the helicopter.

Effective: Jan 22, 2019 Category: aircraft Compliance: Within 90 hours time-in-service

Why matched: Airworthiness Directives; Air Comm Corporation Air Conditioning Systems

2018-21-15

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: a rod end remaining in service after reaching its life limit, which could result in failure of a rod end and subsequent loss of control of a helicopter.

Effective: Nov 27, 2018 Category: aircraft Compliance: Within 140 hours time-in-service

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2018-16-51

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: Two reports of T/R gearbox assemblies loosely attached to the gearbox support, which could lead to structural damage and possible loss of control of the helicopter.

Effective: Nov 6, 2018 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

2018-14-07

final rule

Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Unsafe Condition: a forward spar or actuator fitting assembly remaining in service after reaching its life limit, which could result in failure of a forward spar or actuator fitting assembly and subsequent collapse ...

Effective: Aug 16, 2018 Category: aircraft Compliance: Within 800 hours time-in-service

Why matched: Airworthiness Directives; Bell Helicopter Textron Canada Limited Helicopters

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear