As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3252 THE FLIGHT ATTENDANT REPORTED THE MAIN CABIN DOOR WAS HARD TO PUSH OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. LUBRICATED ROLLERS ON AIRFRAME SIDE OF MAIN CABIN DOOR IAW EMB 145 AMM 20-20-00. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.