AD 2021-10-25

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Helicopters

AD Number
2021-10-25
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0145
FR Citation
86 FR 29176

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Model EC130B4 and EC130T2 Airworthiness Directives; Airbus Helicopters
aircraft Aviat Various Airworthiness Directives; Airbus Helicopters

Unsafe Condition

geometrical non-conformities of the tail rotor blades, which could lead to crack initiation and consequent blade failure, and possible loss of control of the helicopter.

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

Required Actions

cleaning affected parts, visual and dye penetrant inspections for cracks of affected parts, a dimensional inspection to verify conformity of affected parts, and corrective actions if necessary, as specified in EASA AD 2020-0187.

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 Model EC130B4 and EC130T2 helicopters, with a tail rotor blade, obtained by forging, part number 350A33-3002-02, 350A33-3002-03, 350A33-3002-04, or 350A33-3002-05 installed.

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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