As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THAT THE LEFT OVERWING EXIT SLIDE ARMED LIGHT IS ILLUMINATED WHEN ON MAINTENANCE BUS. EMERGENCY EXIT OPEN ECAM INDICATION. MAINTENANCE REMOVED AND REPLACED LEFT OVERWING SLIDE ARMED INDICATOR LIGHT AND PERFORMED OPERATIONAL TEST IN ACCORDANCE WITH A318 AMM 52-73-21-000-003.