As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 MAIN FUEL QUANTITY INDICATOR ERRATIC AT CRUISE ALTITUDE, QTY ROLLS UP ABOUT DOUBLE THE AMOUNT OF FUEL AND THEN ROLLS BACK WITH PRESS TO TEST BUTTON. TROUBLESHOT SYSTEM, FOUND READINGS BELOW M/M REQUIREMENTS, REPLACED TANK HARNESS ASSY AND TESTED PER BOEING MAINTENANCE MANUAL 28-40-01.