As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER 1.5 HRS AFTER TAKE OFF, THE CTR FUEL QTY AND TOTAL FUEL INDICATION ON THE CENTER DU DISAPPEARED FROM VIEW. ACFT GROUNDED. WHILE ON DEFERRAL, THE CENTER FUEL QTY INDICATION STARTED TO INCREASE WHILE INFLIGHT. IT COUNTED UP BY SEVERAL THOUSAND POUNDS AND THEN WOULD COUNT DOWN, DECREASE BACK TO THE CORRECT AMOUNT. IT DID THIS 5 TIMES IN FLIGHT AND THEN REMAINED NORMAL AFTER THAT. ALL OF OUR ENROUTE .5 HOURLY FUEL CHECKS WERE CORRECT. ON DEFERRAL.