As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT DURING FUELING OPERATIONS THE SINGLE-POINT REFUELING PRECHECK VALVE FAILED. OPERATIONS WERE CONTINUED PER MEL BY DEFERRAL. AT THE MAINTENANCE OPPORTUNITY THE MAINTENANCE VENDOR DISCOVERED THE LEFT AND RIGHT HIGH LEVEL PILOT VALVES TO BE FAILED. THE VALVES WERE REMOVED AND NEW PILOT VALVES WERE INSTALLED. OPERATIONAL CHECKS WERE SATISFACTORY AND THE AIRCRAFT WAS RETURNED TO SERVICE.