As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER TANK FUEL QUANTITY INDICATOR INTERMITTENT. ACFT GROUNDED. FQIS LOGS PROCESSOR FAULT 28-41309 CONTROLLER QTY SEVERAL TIMES EACH FLIGHT FOR SEVERAL LEGS. REF FIM TASK 28-41-TASK 808. REPLACED FUEL QTY PROCESSOR UNIT. RESET C/B'S AND OPS TESTED GOOD, REF MM 28-41-81. GROUND VERIFICATION GOOD.