AD 2021-19-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell | Various | Airworthiness Directives; Hélicoptères Guimbal Helicopters |
Unsafe Condition
cracks on the main rotor scissor link due to corrosion, which could result in failure of the main rotor swashplate guide bellcrank and reduced control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
disconnecting the bellcrank from the swashplate guide, removing each bolt and using a certain tool, removing certain parts from service, visually inspecting the lug bore area for corrosion and cracks, depending on the inspection results, removing certain parts from service, or repairing the area using an FAA-approved method, installing certain part-numbered plastic bushings, coating the area with a compound, reinstalling certain parts, applying a specified torque, and installing cotter pins.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 hours time-in-service or 2 months, whichever occurs first after the effective date of this AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hélicoptères Guimbal Model Cabri G2 helicopters, certificated in any category, with any metal bushings installed on the main rotor (M/R) swashplate guide bellcrank and without plastic bushing part number HG22-1001 or HG modification 16-009.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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