AD 2000-16-04
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
Loss of damper fluid in the fluidlastic damper blade sets could result in main rotor tip path plane separation, increased vibrations, damage to the main rotor system, and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect all four main rotor adapter assemblies for flapping and lead-lag contact. Replace the fluidlastic damper blade sets with improved sets that incorporate a pressure indicator. Install a new VNE placard and revise the airspeed indicator markings. Revise the rotorcraft flight manual. Remove and replace specific damper blade sets within 100 hours time-in-service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for initial inspections and placard modifications; within 100 hours time-in-service for damper blade set replacement.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bell Helicopter Textron Canada Model 430 helicopters, certificated in any category.
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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