As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS THAT 5 HRS INTO FLIGHT, THAT THE FUEL USED AND THE OVERHEAD INDICATION IS OFF BY 1000LBS. IT STARTED OUT AS MUCH AS 2800LBS, 15 MIN LATER IT WAS 1500LBS. IT APPEARS THAT THE TOTALIZER IS INCONSISTENT. REF MM 28-41-00. ACP'D BITE OF FQIS AND NO FAULTS SHOWN. CONFERRED WITH TOMC AND REPLACED FQIS DUE TO FAULT HISTORY. STICK READINGS BEFORE AND AFTER FUELING TAKEN AND FQIS OPS TEST, ALL GOOD.