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191 results found (1692ms)

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2026-10-20

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Excessive vibrations in-flight due to an incorrect installation of the angular ball bearing of the control ring assembly.

Effective: Jul 9, 2026 Category: aircraft

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2026-09-08

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: A certain part-numbered standard MS18027 type hook may be subject to localized yielding in the mating threads when assembled to higher assembly torques.

Effective: Jun 17, 2026 Category: aircraft

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

2026-08-51

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: A crack on the rotor hub-shaft, which was detected after crew reported increased vibration of the helicopter.

Effective: May 14, 2026 Category: aircraft

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

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

2026-06-04

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH

Unsafe Condition: Certain bolts installed on the horizontal control rods of the flight controls were not dye penetrant inspected for cracks during manufacturing and thus are subject to bolt failure.

Effective: Apr 30, 2026 Category: aircraft Compliance: Within the compliance times specified in EASA AD 2022-0228, unless already done.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH

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

2026-05-04

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Main rotor head (MRH) having the same part number (P/N) and serial number (S/N) as another MRH due to incorrect modification instructions where the modified part S/N was not re-identified, which co...

Effective: Apr 17, 2026 Category: aircraft Compliance: Before further flight

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

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

2026-02-01

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Reports of ruptured and deformed flexible couplings. The unsafe condition, if not addressed, could result in cracks and extensive deformation of flexible couplings.

Effective: Feb 26, 2026 Category: aircraft Compliance: Within 50 flight hours after the effective date.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2026-02-12 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: excessive wear on the bearing bolts connecting the cardan ring and the control ring assembly

Effective: Feb 17, 2026 Category: aircraft Compliance: within 830 hours time-in-service (TIS) since new accumulated by the bearing bolt, or within 10 ho...

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

2026-03-02 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Fatigue crack in the ring frame X9227, part numbers L535H2120301, L535H2120303, or L535H2120304, which could lead to loss of the tail rotor and consequent loss of control of the helicopter.

Effective: Feb 17, 2026 Category: aircraft Compliance: Within 12 months of the effective date of this AD.

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

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

2025-25-11

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Damage to the threaded part of the affected hoist hook and the threads of the affected hook nut due to galling.

Effective: Feb 6, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2025-16-02

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH

Unsafe Condition: significant wear of the spherical bearings of the control rod assembly and pitch link assembly

Effective: Jan 12, 2026 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH

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

2025-25-05

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Crack found on the fork lever of the mixing lever assembly, which could result in failure of the fork lever and consequent loss of control of the helicopter.

Effective: Dec 31, 2025 Category: aircraft Compliance: Before further flight

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

2025-20-06

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Reports of airspeed and altitude indication errors due to air from the air conditioning system (ACS) condenser outlets affecting the static ports during flight.

Effective: Dec 23, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2025-18-12

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Reports of momentary direct current (DC) power interruption in flight of both essential busses.

Effective: Oct 29, 2025 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2025-18-04 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Failure of the hoist boom assembly, which could lead to in-flight loss of the hoist load and consequent injury to occupants.

Effective: Oct 21, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2025-14-04

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: over-torqued swashplate bolts on helicopters in service and in production, which could lead to damage to the swashplate bolts and to the threads of the bearing ring and control ring of the swashpla...

Effective: Jul 30, 2025 Category: aircraft Compliance: Within 50 hours time-in-service or 30 days, whichever occurs first.

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

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

2025-13-06

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: A broken control rod of the yaw actuator can lead to loss of control of the helicopter.

Effective: Jul 18, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2025-07-01

final rule

Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

Unsafe Condition: Occurrences of AC32 Digital ADCs that stopped functioning due to the power module failing at temperatures below -20 degrees Celsius.

Effective: May 15, 2025 Category: aircraft Compliance: Within 12 months after the effective date of this AD

Why matched: Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

2025-04-10

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: Occurrences of emergency off switches, part of the warning unit, were reported to have mechanical failures, particularly getting stuck in intermediate positions or having an untimely change of stat...

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

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

2024-25-51 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

Unsafe Condition: A worn tail rotor actuator bolt could result in failure of a tail rotor actuator bolt, loss of tail rotor control, and subsequent loss of control of the helicopter.

Effective: Jan 17, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters

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

2024-20-07 Recurring

final rule

Airworthiness 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.

Effective: Dec 5, 2024 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Various Helicopters

2024-17-01 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: The repetitive inspections of the main rotor actuators (MRAs) are necessary to prevent failure of the MRA and subsequent loss of control of the helicopter.

Effective: Nov 4, 2024 Category: aircraft Compliance: Within 30 days of the effective date of this AD

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

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

2024-04-01

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Instrument Flight Rules (IFR) screens obstruct the pilot's views.

Effective: Apr 19, 2024 Category: aircraft Compliance: Within 50 flight hours

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

2023-22-15

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: The unsafe condition on these products is the potential for certain components to exceed their life limits and for maintenance tasks to not be accomplished within thresholds and intervals specified...

Effective: Jan 16, 2024 Category: aircraft Compliance: Within 30 days after the effective date of this final rule

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

2023-11-07

final rule

Airworthiness Directives; Various Helicopters

Unsafe Condition: unsafe condition on these products.

Effective: Jun 22, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Various Helicopters

2023-05-09 Recurring

final rule

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition: Possible loss of MFD function which results in the unexpected loss of display of important flight parameters to the pilots, which could lead to loss of control of the helicopter.

Effective: Mar 31, 2023 Category: aircraft Compliance: Before further flight

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