As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT THEY RECEIVED A FUEL 1 LO LEVEL WARNING AND FUEL IMBALANCE CAUTION MESSAGE. THE CREW DECLARED A FUEL EMERGENCY AND LANDED WITHOUT INCIDENT. MX ISOLATED THE ISSUE TO THE WING TANK FUEL QTY INDICATION AND DEFERRED THE INDICATION. REPLACED THE NR 3 TANK UNIT. OPS CHECKS WERE GOOD WITH NO FURTHER DEFECTS NOTED.