As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3015 THE CREW REPORTED THE MAIN PASSENGER DOOR WAS HARD TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. CLEANED AND LUBED MAIN DOOR FRAME ROLLERS IAW EMB 140 MM 53-21-02. NO PARTS REMOVED OR REPLACED. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.