191 ADs indexed for Airbus Helicopters Deutschland GmbH aircraft.
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH
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...
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Airworthiness Directives; Airbus Helicopters Deutschland GmbH
Unsafe Condition: significant wear of the spherical bearings of the control rod assembly and pitch link assembly
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
Unsafe Condition: Reports of momentary direct current (DC) power interruption in flight of both essential busses.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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...
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers
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...
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
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.
Why matched: Airworthiness Directives; Various Helicopters