AD 2021-26-24

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.a. (Type Certificate Previously Held by Agusta S.p.A.) Helicopters

AD Number
2021-26-24
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0948
FR Citation
87 FR 2528

Applicability

TypeManufacturerModelDetails
aircraft Agusta S.p.A. A109A and A109A II Airworthiness Directives; Leonardo S.p.a. (Type Certificate Previously Held by Agusta S.p.A.) Helicopters

Unsafe Condition

Internal corrosion on a main rotor blade, which could result in failure of the blade 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

Repetitively inspect affected M/R blades and accomplish film analysis and repair in accordance with certain approved methods.

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

Compliance Time

Within 10 flight hours after February 22, 2022

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

Affected Aircraft

Leonardo S.p.a. (type certificate previously held by Agusta S.p.A.) Model A109A and A109A II helicopters, with a main rotor blade part number 109-0103-01-115 installed.

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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