As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK FOR FUEL IMBALANCE REFLP 7563795, NR 1 MAIN FUEL TANK FLUCTUATING BETWEEN 1,000 PLUS 1,500 PPH. FUEL IMBALANCE DETERMINED TO BE INDICATION ONLY. REMOVED AND REPLACED NR 1 FUEL QUANTITY WIRE HARNESS. ALSO, FOUND FUEL CONTAMINATION. OPS CK GOOD.