AD 76-18-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-28-235 | Airworthiness Directives; Piper Models PA-28-235, PA-32-260, PA-32-300, and PA-32R-300 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-32-260 | Airworthiness Directives; Piper Models PA-28-235, PA-32-260, PA-32-300, and PA-32R-300 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-32-300 | Airworthiness Directives; Piper Models PA-28-235, PA-32-260, PA-32-300, and PA-32R-300 Airplanes |
| aircraft | Piper Aircraft Inc. | PA-32R-300 | Airworthiness Directives; Piper Models PA-28-235, PA-32-260, PA-32-300, and PA-32R-300 Airplanes |
Unsafe Condition
Fuel valve inner port leakage could occur in Piper Models PA-28-235, PA-32-260, PA-32-300, and PA-32R-300 airplanes equipped with specific Airborne fuel valves (Piper part numbers 492 259 or 492 262).
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Required Actions
Perform fuel tank fill, fuel selector valve actuation checks, engine run with fuel pump on, and fuel exhaustion test within seven minutes. If engine runs beyond seven minutes, replace the fuel selector valve with a serviceable unit and repeat the checks. Logbook entries required per FAR 91.173.
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Compliance Time
within the next ten hours' time in service after the effective date of this AD
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Affected Aircraft
Piper Models PA-28-235 (serial 28-10001 to 28-7610157), PA-32-260 (serial 32-1 to 32-7600020), PA-32-300 (serial 32-40000 to 32-7640109), and PA-32R-300 (serial 32R-7680001 to 32R-7680423) equipped with Airborne fuel valves (Piper part numbers 492 259 or 492 262).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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