As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4526 THE CREW REPORTED THE FLIGHT ATTENDANT HAD A HARD TIME OPENING THE MAIN PASSENGER DOOR, IT WAS STICKING. THE AIRCRAFT WAS REMOVED FROM SERVICE. LUBRICATED THE MAIN CABIN DOOR. PERFORMED ADJUSTMENT TEST IAW EMB AMM 52-18-00. ALL CHECKS WITHIN LIMITS. THE AIRCRAFT WAS RETURNED TO SERVICE.