AD 2017-18-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. | Airworthiness Directives; Agusta S.p.A. Helicopters |
Unsafe Condition
A crack in the main rotor blade (part numbers 109-0103-01-7, 109-0103-01-9, or 109-0103-01-115) was not detected during pre-flight inspections, potentially affecting structural integrity and leading to blade failure and loss of control.
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Required Actions
Visually inspect the top and bottom surface of each blade for a crack in the area between stations 1550 and 3100 using a 3X or higher power magnifying glass. Replace any cracked blade.
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Compliance Time
Before further flight, unless done within the last 5 hours time-in-service (TIS), and thereafter at intervals not to exceed 5 hours TIS.
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Affected Aircraft
Agusta S.p.A. Model A109A and A109A II helicopters with main rotor blades part numbers 109-0103-01-7, 109-0103-01-9, or 109-0103-01-115.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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