As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE RT TANK INDICATED FROM 2000LB TO 800LB WITH FUEL IMBALANCE MESSAGE. INDICATION RETURNED TO NORMAL IN DESCENT. INSPECTED FUEL QTY, EICAS MATCHES SPR AND MAGNA STICKS. PERFORMED OPS CHECKED IAW AMM 28-41-00. OPS CHECKED GOOD.