AD 2021-12227

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

AD Number
2021-12227
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0199
FR Citation
86 FR 31087

Applicability

TypeManufacturerModelDetails
aircraft Airbus Various Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
aircraft Aviat Various Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Unsafe Condition

Failure of the main rotor actuator (MRA) and subsequent loss of control of the helicopter.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Perform a one-time visual inspection of the MRA, as specified in an EASA AD, and depending on the results, replace the affected parts.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 50 flight hours

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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