As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT DIVERTED AFTER TAKEOFF. THE AIRCRAFT HAD AN APPARENT FUEL IMBALANCE. SUPPLEMENTAL DATA UPDATE FOUND ERROR CODE 6 ON NUMBER 1 FUEL QUANTITY INDICATION SYSTEM. PERFORMED TROUBLESHOOTING IAW MM. CLEARED ERROR CODE. PERFORMED DRIP STICK CHECK OF THE NR 1 MAIN TANK IAW FUELING MANUAL. NR 1 FUEL QUANTITY INDICATION SYSTEM BITE CHECKED NORMAL AND AIRCRAFT WAS RETURNED TO SERVICE.