AD 2021-13-17

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Airbus Helicopters

AD Number
2021-13-17
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2020-1033
FR Citation
86 FR 36635

Applicability

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

Unsafe Condition

cracked MRB attachment pins which could result in loss of an MRB 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

repetitive inspections of the MRB attachment pins, repetitive measurement of the attachment pin chamfer at certain intervals after corrosion removal, inspecting the protective coating of each attachment pin for scratches and missing protective coating, and sanding if there is any scratch or any missing protective coating, replacing an attachment pin that has any corrosion pitting.

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

Compliance Time

Before further flight

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Affected Aircraft

Airbus Helicopters Model AS332L2 and EC225LP helicopters.

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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