As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3374 THE FLIGHT ATTENDANT REPORTED THAT SHE COULD NOT SHUT THE MAIN CABIN DOOR. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE UPPER AFT MAIN DOOR TEFLON GUIDE IAW EMB 145 AMM 53-21-06. PERFORMED OPERATIONAL CHECK IAW EMB 145 AMM 52-18-00. THE OPERATIONAL CHECK WAS GOOD AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.