As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4435 THE CREW REPORTED THE MAIN CABIN DOOR WAS DIFFICULT TO OPEN. THE CREW HAD TO HAVE THE GATE AGENT HELP OPEN THE DOOR. THE AIRCRAFT WAS REMOVED FROM SERVICE. SERVICED AND LUBRICATED MAIN-DOOR ACTUATING MECHANISM IAW EMB 140 AMM 52-11-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.