As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUELER REPORTS WING CENTER TANK FUEL INDICATOR INOPERATIVE. ACFT GROUNDED. BITE TEST WOULD NOT TEST PROPERLY NOR DID THE INDICATOR SHOW "C" FOR CENTER TANK. REPLACED CENTER REFUEL QUANTITY INDICATOR REF AMM TASK 28-41-61-400-801. OPS CHECKED NORMAL.