As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE CREW RECEIVED A MAIN CABIN DOOR LIGHT ON THE RED WARNING PANEL. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND DIVERTED TO DAY. MAINTENANCE INSPECTED AND ADJUSTED THE MAIN CABIN DOOR ROD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.