As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3959 THE FLIGHT ATTENDANT REPORTED THE MAIN ENTRY DOOR WAS DIFFICULT TO OPERATE. THE AIRCRAFT WAS REMOVED FROM SERVICE. CONDUCTED AN OPERATIONAL CHECK OF THE MAIN PAX DOOR IAW EMB-145 AMM 52-18-00. THE PASSENGER DOOR CHECKED AS GOOD. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.