As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 4535, CREW REPORTED MAIN CABIN DOOR WAS VERY HARD TO OPEN AND CLOSE. AIRCRAFT REMOVED FROM SERVICE. LUBRICATED THE ROLLER AND PERFORMED THE DYNAMOMETER IAW EMB-145 AMM 52-18-00 IT IS WITHIN AVERAGE LOAD. NO FURTHER DAMAGE NOTED AT THIS TIME. THE AIRCRAFT WAS RETURNED TO SERVICE.