As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE FORWARD BOTTOM CORNER OF THE MAIN PASSENGER DOOR CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FORWARD BOTTOM CORNER OF THE PASSENGER DOOR IAW CRJ SRM'S 51-42-06, 51-42-13, AND 51-42-21. THE AIRCRAFT WAS RETURNED TO SERVICE.