Eurocopter Deutschland GmbH Airworthiness Directives

85 ADs indexed for Eurocopter Deutschland GmbH aircraft.

Models

Various 7 ADs Various 3 ADs EC135 117 C-2 1 AD EC135 and MBB-BK 117 C-2 1 AD MBB-BK 117 A-1 1 AD MBB-BK 117 A-3 1 AD MBB-BK 117 A-4 1 AD MBB-BK 117 B-1 1 AD MBB-BK 117 B-2 1 AD MBB-BK 117 C-1 1 AD Various 1 AD

Recent ADs

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
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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
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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
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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

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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
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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)

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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

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Amdt-39-19498 Recurring

final rule

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
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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)

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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
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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
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2016-21-03 Recurring

final rule

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

Unsafe Condition: Loss of a trim actuator output lever attachment screw, which could result in movement of the output lever in an axial direction, contact of a bolt connecting the control rod to an output lever with...

Effective: Nov 25, 2016 Category: aircraft Compliance: Within 300 hours time-in-service (TIS)

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

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2016-11-21

final rule

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

Unsafe Condition: Failure of a critical part, which could result in loss of control of the helicopter.

Effective: Jul 11, 2016 Category: aircraft Compliance: Before further flight

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

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Amdt-39-18375

final rule

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

Unsafe Condition: Loose attachment hardware between the Smart Electro Mechanical Actuator (SEMA) and a control rod.

Effective: Feb 25, 2016 Category: aircraft Compliance: Before further flight

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

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2015-12-09 R1

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

Unsafe Condition: Improper connection and play in the attachment hardware between the Smart Electro Mechanical Actuator (SEMA) and the control rod could lead to loss of the concerned control axis and subsequent loss...

Effective: Feb 25, 2016 Category: aircraft Compliance: before further flight

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

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2016-01-14 Recurring

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

Unsafe Condition: Corrosion, a crack, or a scratch on an N2 control arm, which could lead to failure of the N2 control arm, resulting in a reduction in rotor speed and subsequent loss of control of the helicopter.

Effective: Feb 25, 2016 Category: aircraft Compliance: Within the specified compliance time unless already accomplished.

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

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2015-19-14

final rule

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

Unsafe Condition: Deterioration of the main gearbox (MGB) caused by a contaminated oil supply, which could result in MGB failure and subsequent loss of control of the helicopter.

Effective: Nov 3, 2015 Category: aircraft Compliance: Within 50 flight hours after the effective date of the AD.

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

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2015-12-09

final rule

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

Unsafe Condition: Loose attachment hardware between the Smart Electro Mechanical Actuator (SEMA) and a control rod, which could result in loss of the control axis and subsequent loss of control of the helicopter.

Effective: Jul 23, 2015 Category: aircraft Compliance: Within 50 flight hours

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

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2014-13-09 Recurring

final rule

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

Unsafe Condition: Fatigue crack in ring frame X9227, part numbers L535H2120301, L535H2120303, or L535H2120304, without frame reinforcement, which could reduce structural integrity of the tail boom fenestron attachme...

Effective: Jul 30, 2014 Category: aircraft Compliance: Within 50 hours time in service (TIS) for helicopters with more than 100 hours TIS, or on or befo...

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

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2014-06-51

final rule

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

Unsafe Condition: Pulleys with insufficient thread depth may allow attaching bolts to come loose, resulting in the pulley detaching from the rotor brake disc, subsequent damage to the tail rotor (T/R) driveshaft, an...

Effective: Jul 30, 2014 Category: aircraft Compliance: Within 5 hours time-in-service

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

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