AD 90-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson Helicopter Company | R22 | Airworthiness Directives; Robinson Helicopter Company (RHC) Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 ALPHA | Airworthiness Directives; Robinson Helicopter Company (RHC) Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 BETA | Airworthiness Directives; Robinson Helicopter Company (RHC) Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 MARINER | Airworthiness Directives; Robinson Helicopter Company (RHC) Model R22 Series Helicopters |
Unsafe Condition
Carburetor air box latches coming loose in flight could result in power loss in critical maneuvers close to the ground.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove the three carburetor air box latches and replace with four bolts by drilling out rivets, enlarging holes, installing bolts with washers and nuts, and following service bulletin 61.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R22 series helicopters equipped with carburetor air box latches.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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