Safran Aerosystems Airworthiness Directives

32 ADs indexed for Safran Aerosystems aircraft.

Models

Recent ADs

2026-08-12

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: The unsafe condition involves the affected fuel control unit (FCU) potentially failing due to a manufacturing defect, which could result in engine power loss or shutdown.

Effective: Jun 2, 2026 Category: aircraft Compliance: before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

2026-03-09

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Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide) Portable Breathing Equipment (PBE)

Unsafe Condition: Occurrences of PBE not delivering oxygen once donned, caused by a manufacturing issue.

Effective: Mar 12, 2026 Category: aircraft Compliance: Within 14 days or 3 months, depending on the applicable conditions, unless the PBE is over the li...

Why matched: Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide) Portable Breathing Equipment (PBE)

2025-26-06

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Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide)

Unsafe Condition: Occurrences of incorrect usage of PBE have been reported, which could lead to flight or cabin crewmember incapacitation, possibly affecting crewmember capability to accomplish tasks during an emerg...

Effective: Jan 14, 2026 Category: aircraft Compliance: Within 12 months of the effective date of January 14, 2026.

Why matched: Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide)

2025-25-02

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Airworthiness Directives; Aerospace & Defense Oxygen Systems SaS (Part of Safran Aerosystems) (Formerly Known as Air Liquide)

Unsafe Condition: occurrences of incorrect usage of certain PBEs have been reported, which could lead to flight or cabin crewmember incapacitation, possibly affecting crewmember capability to accomplish tasks during...

Effective: Dec 24, 2025 Category: aircraft Compliance: Before further flight

2025-13-07 Recurring

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: Clogging of the preference injector, if not detected and corrected, and if combined with a sharp reduction in the fuel flow during the flight after a pilot command, could lead to a flameout in the ...

Effective: Aug 6, 2025 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2024-24-02

final rule

Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.)

Unsafe Condition: A missing lubricating and balancing groove on one of the bearings of the fuel control unit (FCU) fuel pump due to a non-conforming manufacturing process, which could result in an uncommanded in-fli...

Effective: Dec 10, 2024 Category: engine Compliance: Within 15 flight hours or 30 days after the effective date of this AD, whichever occurs first.

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.)

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

2024-19-05

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: The accumulated service life of certain critical parts was underestimated, leading to potential operation beyond part life and failure of affected parts, possibly resulting in uncontained debris re...

Effective: Nov 26, 2024 Category: aircraft Compliance: Within the compliance times specified in the referenced EASA AD.

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

2024-19-15

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Airworthiness Directives; Safran Aerosystems (Formerly AVOX Systems Inc.; Scott Aviation) Oxygen Cylinder and Valve Assemblies, and Oxygen Valve Assemblies

Unsafe Condition: Reports of cylinder and valve assemblies having oxygen leakage from the valve assembly vent hole, caused by the absence of a guide that maintains appropriate spacing between certain parts, and by t...

Effective: Nov 26, 2024 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Safran Aerosystems (Formerly AVOX Systems Inc.; Scott Aviation) Oxygen Cylinder and Valve Assemblies, and Oxygen Valve Assemblies

2023-24-09

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Engines

Unsafe Condition: Inconsistencies between the torque (TQ) and measured gas temperature (MGT) conformation values recorded in the avionics and the values recorded on the engine log cards following replacement of the ...

Effective: Jan 17, 2024 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Engines

2023-22-03

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: Failure of the engine due to insufficient maintenance tasks and airworthiness limitations.

Effective: Dec 26, 2023 Category: engine Compliance: Within 90 days after the effective date of this AD.

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

2023-15-03

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Airworthiness Directives; Safran Helicopter Engines, S.A. Engines

Unsafe Condition: Failure of life-limited parts, which could result in failure of one or more engines, loss of thrust control, and loss of the helicopter.

Effective: Sep 7, 2023 Category: engine Compliance: Within 90 days after the effective date of this AD

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. Engines

2023-13-14

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Unsafe Condition: Reports of false engine fire warnings due to fire detectors that do not conform to the type design, which could lead to commanded in-flight engine shut-down, possibly resulting in damage to the hel...

Effective: Jul 25, 2023 Category: engine Compliance: Within 30 flight hours or 60 days from the effective date of this AD for Model Arriel 1K1 engines...

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2023-01-11

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: Reports of false engine fire warnings due to a manufacturing non-compliance on the fire detectors, which caused a shift of the detection threshold towards temperature values that are lower than spe...

Effective: Feb 6, 2023 Category: engine Compliance: Within 30 flight hours or 60 days from the effective date of this AD, whichever occurs first.

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2023-01-12

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: Reports of false engine fire warnings due to a manufacturing non-compliance on the fire detectors, which caused a shift of the detection threshold towards temperature values that are lower than spe...

Effective: Feb 6, 2023 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Technical illustration of an aircraft turbine engine assembly
Problem area Engine

2021-26-26

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Turboshaft Engines

Unsafe Condition: A difference between the position datum of the fuel metering valve and its measured position could lead to loss of automatic control on both engines installed on an Airbus Helicopters Deutschland (...

Effective: Feb 23, 2022 Category: engine Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Turboshaft Engines

2021-17-05 Recurring

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Turboshaft Engines

Unsafe Condition: deterioration of the splines on the high pressure (HP)/low pressure (LP) pump assembly drive shaft of the HMU, which eventually interrupted the fuel supply to the engine.

Effective: Oct 12, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca S.A.) Turboshaft Engines

2021-13-08

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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: Error messages on the full authority digital engine control (FADEC) B digital engine control unit (DECU), caused by blistering of the varnish on the DECU circuit board.

Effective: Aug 19, 2021 Category: engine Compliance: Within 1,400 engine operating hours after the effective date of this AD

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

2021-13-03 Recurring

final rule

Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: non-conforming fuel filter pre-blockage pressure switches, manufactured before December 2016, can cause its non-activation in case of fuel system contamination, with consequent opening of the by-pa...

Effective: Aug 13, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system

2021-08-02

final rule

Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: Failure to accomplish the instructions in the applicable Maintenance and Overhaul Manuals could result in an unsafe condition.

Effective: Jun 21, 2021 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

2021-05-08 Recurring

final rule

Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

Unsafe Condition: cracks were found on the soldered joints of torque conformation boxes, which could lead to engine in-flight shutdown, possibly resulting in reduced control of the helicopter.

Effective: Apr 15, 2021 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines

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