AD 74-09-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Revo, Incorporated | Lake LA-4-200 | Airworthiness Directives; Consolidated Aeronautics Model Lake LA-4-200 Airplanes |
Unsafe Condition
The possibility of engine stoppage resulting from contamination in the fuel injector due to a flush insert in the restrictor fitting P/N 2-6750-41.
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Required Actions
Inspect the restrictor fitting P/N 2-6750-41 to determine if it has a flush or recessed insert. If the insert is flush, disassemble and clean the fuel injector areas as specified in Service Bulletin B51, remove the restrictor fitting, and replace it with P/N 2-6750-83 or an FAA approved equivalent. Equivalent methods require approval from the FAA.
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Compliance Time
within the next twenty-five (25) hours time in service after the effective date of this AD
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Affected Aircraft
All Model LA-4-200 airplanes through Serial Number 601 manufactured by Consolidated Aeronautics.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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