AD 2022-03-17

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Airbus Helicopters

AD Number
2022-03-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-1018
FR Citation
87 FR 8406

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Model AS332L2 and EC225LP Airworthiness Directives; Airbus Helicopters
aircraft Aviat Various Airworthiness Directives; Airbus Helicopters

Unsafe Condition

Loss of tightening torque on the nut that attaches the tail gear box (TGB) bevel wheel, which could lead to structural failure of the TGB drive, resulting in reduced, or loss of, control of the helicopter.

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

Required Actions

Repetitive inspections (measurements) of the angular clearances of the TGB, and, depending on the findings, replacement of the TGB with a serviceable TGB, as specified in EASA AD 2021-0184R2.

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

All Airbus Helicopters Model AS332L2 and EC225LP helicopters, all serial numbers.

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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