As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2913 THE CREW REPORTED THE MAIN DOOR WAS EXTREMELY HARD TO OPEN UP. THE AIRCRAFT WAS REMOVED FROM SERVICE. LUBRICATED DOOR PER ERJ 145 AMM 52-18-00 AND PERFORMED OPERATIONAL CHECK IAW EMB 145 AMM 52-00-00. FOUND TO BE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.