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2025-05-12 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

Unsafe Condition: unsafe condition on these products.

Effective: May 8, 2025 Category: aircraft Compliance: Within 30 days of the effective date of this AD

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

2022-24-07

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by Messerschmitt-Bolkow-Blohm (MBB), and Eurocopter Deutschland GmbH (ECD)) Helicopters

Unsafe Condition: The unsafe condition is the potential for failure of the main rotor head assembly due to fatigue failure of the tension-torsion (TT) straps, which could lead to loss of control of the helicopter.

Effective: Jan 6, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by Messerschmitt-Bolkow-Blohm (MBB), and Eurocopter Deutschland GmbH (ECD)) Helicopters

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

2022-05-02

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: An internal failure of the engine digital electronic control unit (DECU), which led to loss of fuel flow regulation (frozen fuel metering unit). This failure was not indicated to the pilot by a red...

Effective: Mar 30, 2022 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

2021-14-16

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

Unsafe Condition: Failure of the 9-degree frame due to a crack at the stretcher support attachment holes, which could result in loss of a passenger door, damage to the rotor system, and subsequent loss of control of...

Effective: Aug 24, 2021 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

2021-14-07

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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: Translation errors in the service information required for compliance by DGAC AD 2002-585(A) and incorrect installations of the hoist operator control unit, hoist electric box, and fuses.

Effective: Aug 19, 2021 Category: aircraft Compliance: Before next flight involving a hoist operation

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

2021-14-15

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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) and Eurocopter France Helicopters

Unsafe Condition: The tie bars may fail, resulting in loss of control of the helicopter.

Effective: Aug 10, 2021 Category: aircraft Compliance: Within 5 hours TIS for tie bars that have accumulated 7 or more years since initial installation ...

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) and Eurocopter France Helicopters

2021-11-25

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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: An internal failure of the engine DECU, which led to loss of fuel flow regulation (frozen fuel metering unit). This failure was not indicated to the pilot by a red GOV warning light as expected, bu...

Effective: Jul 29, 2021 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

2021-09-14 Recurring

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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: prevent rotor burst of the MGB fan, damage to the hydraulic lines and flight controls, and subsequent loss of control of the helicopter.

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

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

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

2021-07-08 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH and Eurocopter Canada Ltd.) Helicopters

Unsafe Condition: cracks in the main rotor mast flange (flange) could result in failure of the flange and subsequent loss of control of the helicopter.

Effective: Apr 30, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH and Eurocopter Canada Ltd.) Helicopters

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

2021-05-07

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: A loss of electrical ground between the starter-generator and the regulator could result in an overvoltage of electrical power, damage to electronic equipment, and subsequent loss of control of the...

Effective: Apr 16, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

2020-16-09

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: progressive fatigue failure of the coupling discs, caused by excessive fretting on the faces and in the bolt holes of the coupling discs

Effective: Sep 10, 2020 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

2020-10-02 Recurring

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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

Unsafe Condition: Deterioration of a Starflex arm end, which can cause high amplitude vibrations in flight.

Effective: Jun 15, 2020 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters

2020-09-01 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

Unsafe Condition: The lubricating pump may wear out, causing the main gearbox (MGB) oil flow to be unevenly distributed, which can lead to oil starvation and engine failure.

Effective: May 28, 2020 Category: aircraft Compliance: Before the first flight of each day and at intervals not to exceed 10 hours time-in-service

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2019-05-05

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: a crack in an M/R mast flange, which could result in failure of the mast flange and subsequent loss of helicopter control.

Effective: Apr 17, 2019 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Amdt-39-19537

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: We are removing Airworthiness Directive (AD) 2014-05-06 R1, which applied to Airbus Helicopters Deutschland GmbH (type certificate previously held by Eurocopter Deutschland GmbH) Model EC135 and MB...

Effective: Feb 19, 2019 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH) Helicopters

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

2018-26-02

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

Unsafe Condition: unintended touchdown to the ground at a flight-idle power setting during a practice autorotation, damage to the helicopter, and injury to occupants.

Effective: Jan 30, 2019 Category: aircraft Compliance: before the next autorotation training flight or before 100 hours time-in-service, whichever occur...

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

Amdt-39-19529 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

Unsafe Condition: bearings were detected which had not been correctly fixed, which may cause the affected control lever to shift in the axial direction and contact the helicopter structure, possibly resulting in red...

Effective: Jan 22, 2019 Category: aircraft Compliance: Within 100 hours TIS or at the next annual inspection, whichever occurs first.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

2013-21-05R1

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: Binding of a bearing could lead to loss of helicopter control.

Effective: Dec 21, 2018 Category: aircraft Compliance: within 100 hours time-in-service

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Amdt-39-19498 Recurring

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Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: limited control of a tail rotor because of the binding of a bearing

Effective: Dec 21, 2018 Category: aircraft Compliance: Within 100 hours TIS

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

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

2018-07-01

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

Unsafe Condition: an improperly manufactured bypass inlet in the oil filter area, which could adversely affect the oil-filter bypass function, resulting in failure of the main transmission

Effective: May 3, 2018 Category: aircraft Compliance: Within 5,150 hours TIS

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter Deutschland GmbH)

2017-26-04 Recurring

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

Unsafe Condition: Failure of a "float arm" pushbutton, which could result in inoperative floats being used in an emergency water ditching, causing damage to the helicopter or injury to occupants.

Effective: Jan 24, 2018 Category: aircraft Compliance: Within 300 hours time-in-service (TIS)

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France)

2017-22-05

final rule

Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

Unsafe Condition: Hydraulic pump drive belt failure caused by bearing seizures, specifically due to accidental indentation of the raceways from incorrect fitting of bearing part number 704A33651243.

Effective: Dec 11, 2017 Category: aircraft Compliance: Within 50 flight hours after the effective date of this AD.

Why matched: Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France)

2017-03-01

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

Unsafe Condition: Loose flight control bearings due to incorrect installation, which could result in the affected control lever shifting and contacting the helicopter structure, reducing control of the helicopter.

Effective: Mar 31, 2017 Category: aircraft Compliance: Within 100 hours time-in-service or at the next annual inspection, whichever occurs first.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) Helicopters

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

2017-05-03

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter Deutschland GmbH)

Unsafe Condition: Incorrect bonding of the erosion protective shell to the main rotor blade (MRB) could result in loss of the shell in-flight, which could strike the tailboom or the tail rotor, causing an imbalance ...

Effective: Mar 17, 2017 Category: aircraft Compliance: Within 10 hours TIS for the initial inspection, followed by inspections at intervals not to excee...

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter Deutschland GmbH)

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

2016-25-19

final rule

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

Unsafe Condition: Corrosive effects of a salt-laden atmosphere could affect the switches in the engine 'IDLE' or 'FLIGHT' control system, leading to engine power loss.

Effective: Feb 2, 2017 Category: aircraft Compliance: Within the specified inspection intervals (330 hours TIS for salt-laden environments, 660 hours T...

Why matched: Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters