As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNRELIABLE FUEL INDICTION (FUEL IMBALANCE CAUTION INFLIGHT L WING LOST 800LBS AND THEN IT CAME BACK. RH WING LOST ABOUT 300LBS AND IT CAME BACK ALSO. THIS HAPPENED AT DIFFERENT TIMES). REPLACED FQGC AND PERFORMED SUCCESSFUL OPERATIONAL CHECK IAW CRJ 550 AMM 28-41-22.