AD Amdt-39-10152
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Various | Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 430 Helicopters |
| aircraft | Bell | Various | Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 430 Helicopters |
Unsafe Condition
Main rotor tip path plane separation due to flapping contact between adapter liners and upper stop assembly plugs and lead-lag contact between adapter pads and yoke assembly at airspeeds over 140 KIAS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect main rotor adapter assemblies for flapping and lead-lag contact evidence; install VNE placard, mark airspeed indicator with restriction and slippage mark; revise rotorcraft flight manual with airspeed changes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron Canada Model 430 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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