As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 4359, DURING CRUISE CREW REPORTED A FUEL TRANSFER INOPERATIVE MESSAGE. AIRCRAFT RETURNED. PLACED VENTRAL TANK ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. MAINTENANCE OPS TESTED FUEL TRANSFER WITH NO DEFECTS NOTED. AIRCRAFT RETURN TO SERVICE.