AD 2004-05-28
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model AS 365 N3 | Airworthiness Directives; Eurocopter France Model AS 365 N3 Helicopters |
Unsafe Condition
Tail rotor induced vibrations during flight tests can lead to vibration in the tail rotor and pilot's anti-torque pedals, potentially causing blade pitch control failure and loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a tail rotor blade-to-torsion bar attachment tuning weight assembly on each blade of the Quiet Fenestron tail rotor. Replace each blade attachment bushing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
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Affected Aircraft
Eurocopter France Model AS 365 N3 helicopters.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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