As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH, ECAM MESSAGE FOR FUEL LEFT WING TANK OVERFLOW COMPLIED WITH ECAM PROCEDURE AND NOTIFIED MOC ON THE GROUND. THE AIRCRAFT WAS GROUNDED. REPLACED LEFT WING SURGE TANK OVERFLOW SENSOR AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 28-46-16-400-001-A.