AD 2021-05-09

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters

AD Number
2021-05-09
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2020-1132
FR Citation
86 FR 13989

Applicability

TypeManufacturerModelDetails
aircraft Airbus Helicopters Model AS350B Airworthiness Directives; Airbus Helicopters
aircraft Aviat Various Airworthiness Directives; Airbus Helicopters

Unsafe Condition

Damage to the elastomeric ball joint on the TR pitch change rod could result in failure of the TR pitch change rod 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

Retain the actions from AD 2018-15-02, which include repetitively inspecting the TR pitch rod for a damaged elastomeric ball joint, and replacing an affected TR pitch rod with a serviceable TR pitch rod.

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 AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS355E, AS355F, AS355F1, AS355F2, AS355N, and AS355NP helicopters, certificated in any category, as identified in European Union Aviation Safety Agency (EASA) AD 2017-0020R1, dated May 22, 2019 (EASA AD 2017-0020R1).

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

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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