As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2814 THE CREW REPORTED THE MAIN CABIN DOOR WAS VERY HARD TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FORWARD LOWER MAIN DOOR GUIDE REF AMM 53-71-06. THE OPERATIONAL CHECK WAS GOOD REF AMM 52-18-00. NO FURTHER DEFECTS NOTED AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.