As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB-OUT, FLIGHT CREW REPORTED ECAM MESSAGE INDICATING RIGHT OVERWING EMERGENCY EXIT DOOR OPEN. FLIGHT CREW PERFORMED AIR TURNBACK AND EXECUTED UNEVENTFUL LANDING. MAINTENANCE TROUBLE SHOT SYSTEM AND FOUND DOOR PROXIMITY SWITCH OUT OF ADJUSTMENT. MAINTENANCE ADJUSTED SWITCH IN ACCORDANCE WITH REQUIREMENTS OF AMM 52-71-13-820-050. UPON COMPLETION OF ADJUSTMENT, SYSTEM WAS OPERATIONS TESTED AND FOUND OKAY.