As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: AT THE GATE, THE ECAM MESSAGE DOOR LEFT OVERWING EXIT REPEATEDLY APPEARS. MAINTENANCE ADJUSTED LEFT OVERWING EXIT DETECTOR PROXIMITY SWITCH 31WN AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-71-00.