As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3055 THE CREW REPORTED THE MAIN CABIN DOOR IS VERY DIFFICULT TO OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. PERFORMED ADJUSTMENT TEST OF MAIN DOOR IAW EMB-140 AMM 52-18-00. THE OPERATIONAL CHECK, FORCE CHECK GOOD. NO PARTS REMOVED OR REPLACED. AVERAGE LOAD TO OPEN 35 IBS FORCE. THE AIRCRAFT WAS RETURNED TO SERVICE.