As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER FUEL TANK OTY IND INOP. CREW THOUGHT THEY WERE USING MORE FUEL THAN THEY WERE. THE FUEL GAUGE CENTER TANK GAVE ERRONEOUS INFORMATION 4600165 ERROR. DEFER CENTER TANK FUEL GAUGE PER MEL 28-40 (C) ENTERED INTO DMR. MAINTENANCE NOTIFIED NR 3822. MAINTENANCE REPLACED EDP, OPS CHECKED GOOD. EDP P/N 322EDP2-1, S/N ON HV2149, S/N OFF HV27681.