AD 2000-17-52
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. Model A109E | Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters |
Unsafe Condition
Incorrect installation of the main rotor rotating scissors assembly can result in fatigue failure of the attachment bolt, leading to failure of the rotating scissors assembly and subsequent loss of control of the helicopter.
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Required Actions
Visually inspect the main rotor rotating scissors assembly, part number 109-0134-09, for correct installation and replace any unairworthy part with an airworthy part. If the attachment bolt is not replaced with a new part at the initial inspection, remove the rotating scissors assembly to inspect the attachment bolt for a crack and replace any cracked attachment bolt with a new attachment bolt before further flight.
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Compliance Time
Before further flight
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Affected Aircraft
Agusta S.p.A. Model A109E helicopters, up to and including serial number 11082, with main rotor rotating scissors assembly, part number 109-0134-09, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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