As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FUEL LEAKING OUT OF LEFT WING FUEL VENT CAUSING A FUEL SPILL ON THE RAMP AT CLT. MAINTENANCE TROUBLESHOT THE AIRCRAFT, REMOVED AND REPLACED THE LEFT WING HIGH FUEL LEVEL SENSOR AND PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.