As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THE LEFT OVERWING EXIT SHOWS OPEN ON LOWER ECAM. MAINTENANCE PERFORMED TROUBLESHOOTING AND FOUND LEFT OVERWING LIGHT TO BE AT FAULT. THE WARNING LIGHT PANEL WAS REMOVED, REPLACED AND CHECKED IN ACCORDANCE WITH A318 AMM 52-73-21 PB 401.