As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE FLIGHT THE CREW REPORTED A FUEL SYSTEM CONFIGURATION DISAGREE MESSAGE ON THE EICAS DISPLAY. THE AIRCRAFT RETURNED TO IAH AND LANDED WITHOUT INCIDENT WHERE THE VENTRAL TANK TRANSFER SYSTEM WAS OPERATIONALLY CHECKED. ALL CHECKS WERE SUCCESSFUL AND THE DISCREPANCY WAS CLEARED.