AD 2017-25-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. | Airworthiness Directives; Agusta S.p.A. Helicopters |
Unsafe Condition
A fracture of the left elevator assembly along the riveting of the upper skin to the fourth rib due to fatigue.
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Required Actions
Inspect the elevator assembly skin for a crack, drill an access hole to the elevator assembly, and inspect the interior of the elevator assembly with a borescope. If a crack is found, replace the elevator assembly before further flight. Repeat the borescope inspection every 25 hours TIS.
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Compliance Time
Before further flight or before the elevator assembly exceeds 400 hours TIS, whichever occurs later.
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Affected Aircraft
Agusta Model A109S and AW109SP helicopters with elevator assemblies, part number (P/N) 109-0200-02-601, 109-0200-02-801, 109-0200-02-602, 109-0200-02-802, 109-0200-02-803, or 109-0200-02-804 installed.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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