As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT REPORTED THE PASSENGER DOOR WAS HARD TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. LUBRICATED MAIN PASSENGER DOOR FRAME ROLLERS IAW EMB 140 AMM 53-21-02. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.