AD 2003-12-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. Model A109K2 | Airworthiness Directives; Agusta S.p.A. Model A109K2 Helicopters |
Unsafe Condition
Fatigue cracks on tail rotor blades (part number 109-8132-01-107) with 1,500 or more hours time-in-service, which could result in loss of the blades and loss of control of the helicopter.
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Required Actions
Visually check the upper and lower surfaces of each blade before each engine start. Visually inspect blades using a 5x or higher magnifying glass before the first flight of each day, and at intervals not exceeding 5 hours TIS, or anytime vibration levels increase. Perform dye-penetrant inspections if cracks are suspected but not visible. Replace any cracked blade with an airworthy blade before further flight.
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Compliance Time
Before further flight or within 5 hours TIS, as indicated.
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Affected Aircraft
Agusta S.p.A. Model A109K2 helicopters with tail rotor blades (part number 109-8132-01-107) having 1,500 or more hours time-in-service, installed, and certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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