AD 72-13-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Alexandria Aircraft, LLC | 17-30 | Airworthiness Directives; Bellanca Model 17-30 Airplanes |
Unsafe Condition
Failure of the fuel boost pump circuit could lead to engine flooding when using the fuel boost pump, potentially causing loss of engine power.
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Required Actions
Install a three-position toggle switch, three-ohm 20-watt resistor, switch guard, and five-amp circuit breaker per Bellanca Service Letter 61A/Revision A and Drawing SK-2-1040/Revision D; update Airplane Flight Manual with Revision 13 or 14. For Weldon pumps, install a two-position spring-loaded switch, five-amp breaker, and specific placards as outlined.
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Compliance Time
Within 50 hours' time in service after June 26, 1971, or within 10 hours' time in service after September 14, 1971, as applicable.
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Affected Aircraft
Bellanca Model 17-30 airplanes with serial numbers 30002 through 30262, equipped with Airborne Model 2B6-9 or Weldon 4020-A2A/10050-A fuel boost pumps.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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