What was found
PILOT REPORTED THE LAST 10 GALLONS OF FUEL WAS NOT BEING SUCKED UP BY THE ENGINE DRIVEN FUEL PUMP. MAINTENANCE FOUND VENT CHECK VALVE WAS STUCK OPEN. REPLACEMENT OF VALVE CURED THE PROBLEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTED THE LAST 10 GALLONS OF FUEL WAS NOT BEING SUCKED UP BY THE ENGINE DRIVEN FUEL PUMP. MAINTENANCE FOUND VENT CHECK VALVE WAS STUCK OPEN. REPLACEMENT OF VALVE CURED THE PROBLEM.