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 OPEN INDICATION. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND DIVERTED TO PIT. MAINTENANCE INSPECTED AND REPLACED THE DOOR LINK ROD IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 52-00-00. OPERATIONAL CHECKS WERE PERFORMED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.