As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2717 THE CREW REPORTED THEY COULD NOT OPEN THE CABIN DOOR FROM INSIDE THE AIRCRAFT. THE GATE AGENT OPENED FROM OUTSIDE. THE AIRCRAFT WAS REMOVED FROM SERVICE. INSTALLED BOLT AND NUT ON THE INTERNAL ACTUATING HANDLE IAW EMB 145 AMM 52-18-05. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.