AD 70-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aerostar Aircraft Corporation | PA-60-600 (Aerostar 600) | Airworthiness Directives; Aerostar Models 600 and 601 Airplanes |
| aircraft | Aerostar Aircraft Corporation | PA-60-601 (Aerostar 601) | Airworthiness Directives; Aerostar Models 600 and 601 Airplanes |
Unsafe Condition
Ruptured diaphragm in Edison P/N 195-10TC112D1 fuel pressure indicators could cause fuel discharge into the engine compartment and possible engine fire.
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Required Actions
Inspect fuel pressure indicators for ruptured diaphragm by disconnecting and observing the vent line. Replace gauge if fuel is found. Install fuel float check valves (Aerostar P/N A6601151) per Service Bulletin 600-28 within 25 hours time in service.
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Compliance Time
Before further flight after the effective date and within the next 25 hours time in service after the effective date.
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Affected Aircraft
Aerostar Aircraft Corporation Models 600 and 601, serial numbers 60-0001 through 60-0056 and 61-0001 through 61-0070.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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