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Airworthiness Directive 2025-17-10

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Official AD 2025-17-10 · FR doc 2025-16261 · 2025-08-25 · airframe

Airworthiness Directives; Leonardo S.p.A. Helicopters

What this AD requires

The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.A. Model A109A, A109A II, A109C, A109K2, and A119 helicopters and certain AW119 MKII helicopters. This AD was prompted by a report of 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. This AD requires inspecting the bolts for proper installation and, depending on the results, performing corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.

Which aircraft AD 2025-17-10 applies to

MakesLeonardo S.P.A.
ModelsA109A, A109A II, A109C, A109K2, A119, AW119 MKII, A109, AW119

Applies as identified in European Union Aviation Safety Agency (EASA) AD 2025-0142, dated July 7, 2025.

Whether AD 2025-17-10 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.

How AD compliance is recorded

A valid compliance record (14 CFR 43.9) states:

Method of compliance — The specific action taken (inspected, replaced, modified) and to what revision.
Date — When the work was done.
Aircraft time — Total time in service / tach at compliance — how recurring next-due is computed.
Signature & certificate — The A&P/IA who returned it to service, with certificate number.
Is AD 2025-17-10 complied with on your aircraft?

Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.

Look up a tail number →Read the full directive (Federal Register)

Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.