As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL QUANTITY INCREASED 800 LBS FOR NO APPARENT REASON. GROUNDED - YES. ACCOMP FUEL QUANTITY BITE NO PRESENT FAULTS & GROUND TEST PASS REF B737 FIM 28-41 TASK 801 ALSO ACCOMP REFUEL QUANTITY IND TEST, TEST PASS REF B737-800 28-41-61-710-001.