As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3949 FLIGHT ATTENDANT REPORTS CABIN DOOR VERY HARD TO OPEN GETS HUNG UP AND WONT OPERATE SMOOTHLY. AIRCRAFT REMOVED FROM SERVICE. CLEANED AND LUBRICATED ALL MAIN DOOR FRAME ROLLERS IAW EMB-140 AMM 53-21-02. OPS CHECK GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.