AD 47-20-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 11AC | Airworthiness Directives; Bellanca (Aeronca) Model 7AC, 7BCM, and 11AC Aircraft |
| aircraft | American Champion Aircraft Corp. | 7AC | Airworthiness Directives; Bellanca (Aeronca) Model 7AC, 7BCM, and 11AC Aircraft |
| aircraft | American Champion Aircraft Corp. | 7BCM (Army L-16A) | Airworthiness Directives; Bellanca (Aeronca) Model 7AC, 7BCM, and 11AC Aircraft |
Unsafe Condition
Accumulations of water and foreign matter in the metal gascolator bowl can obstruct fuel flow and lead to engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Clean the gascolator bowl and strainer screen either every 25 hours of engine operation with manual inspections or during annual inspections if equipped with a quick-drain arrangement. Remove the bowl and use specified procedures from Champion (Aeronca) supplements.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated below: for aircraft without quick-drain, every 25 hours of engine operation; for those with quick-drain, at each annual inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Bellanca (Aeronca) Model 7AC, 7BCM, and 11AC aircraft equipped with metal gascolator bowls.
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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