As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 9303 THE FLIGHT ATTENDANT REPORTED THE MAIN CABIN DOOR WAS VERY DIFFICULT TO OPEN. THE AIRCAFT WAS REMOVED FROM SERVICE. LUBED MAIN DOOR FRAME ROLLERS IAW EMB 145 AMM 53-21-02. THE OPERATIONAL CHECK WAS GOOD IAW EMB 52-18-00. THE AIRCRAFT WAS RETURNED TO SERVICE.