AD 2025-17-10

final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.A. Helicopters

AD Number
2025-17-10
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-2264
FR Citation
90 FR 41295

Applicability

TypeManufacturerModelDetails
aircraft Bell Various Airworthiness Directives; Leonardo S.p.A. Helicopters

Unsafe Condition

Incorrect installation of the bolts that attach the pitch (longitudinal) actuator assembly and the roll (lateral) actuator assembly to their respective bellcrank assemblies of the cyclic control system, which could result in the reduced range of the helicopter cyclic control and loss of control of the helicopter.

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

Required Actions

Inspect the bolts for proper installation, inspect the bolts and support assemblies for damage and interference, and replace any damaged or incorrectly installed bolt with a serviceable bolt.

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

Compliance Time

Within 25 hours time in-service

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

Affected Aircraft

All Leonardo S.p.A. Model A109A, A109AII, A109C, A109K2, and A119 helicopters and on certain serial-numbered AW119MKII 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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