As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, CONTROL TOWER ADVISED THAT A VAPOR TRAIL WAS OBSERVED FROM LT WING. AIRBORNE TECH CONFIRMED FUEL COMING FROM UNDER LT WING. FLT WAS DEVIATED TO AND LANDING MADE, WITH FIRE EQUIPMENT STANDING BY. FUEL FROM LT WING AND LEAK STOPPED. NORMAL LANDING/ NO PROBLEMS. REMOVED AND REPLACED LT FUEL VENT FLOAT VALVE IAW MFG MM. REFUELED, LEAK CHECKED GOOD. RETURNED TO SERVICE.