As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL IMBALANCE LEFT AND RIGHT MAIN TANK QUANTITIES DIFFER BY A PRE-DETERMINED AMOUNT. ADVISORY CREW COMMENTS: UNEXPLAINED IMBALANCE - LEFT WING TANK LOW. TOTAL FUEL USED NORMAL. REPLACED RIGHT WING NR 10 TANK FUEL QUANTITY UNIT AND WATER-IN-FUEL DETECTOR PER MM 28-41-02 AND 28-41-04, OPS CHECKED PER MM 28-41-00. STICKED TANK PER FUEL MANUAL 2-4-1, CHECKS GOOD.