As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ASH FLT 7203 CAK-ORD. CAPTAIN COULD NOT GET MAIN CABIN DOOR OPEN, OUTER HANDLE JAMMED. CREW GAINED ACCESS TO THE AIRCRAFT THROUGH THE SERVICE DOOR AND OPENED THE MAIN CABIN DOOR. CONTRACT MAINTENANCE INSPECTED THE DOOR AND FRAME, FOUND NO DAMAGE. MAIN PASSENGER DOOR OPS NORMAL FROM INSIDE AND OUTSIDE.