As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESPITE BOTH ENGINES INDICATING SIMILAR FUEL BURN FUEL WAS DEPLETING FROM LEFT TANK AT TWICE THE EXPECTED RATE. / TROUBLESHOT IAW CRJ 700 FIM 28-41-22-810-804-A01-PSA. NO FAULT CODES AT REFUEL/DEFUEL PANEL. SHOT WIRES ALL WIRES SHOT GOOD. REMOVED AND REPLACED FQGC IAW CRJ 700 AMM 28-41-22-000/400-801-A01. OPS CHECK GOOD. RAN ENGINES AGAIN. ALL FUEL QUANTITIES AND FUEL BURNS WERE NORMAL AND WITHIN RANGE. PERFORMED LEAK CHECK OF BOTH ENGINES WITH NO DISCREPANCIES NOTED.