As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE - FLIGHT NR 3264 - THE CREW REPORTED, THE MAIN CABIN DOOR IS VERY HARD TO OPEN. IT STICKS AND CAN TAKE SEVERAL TRIES TO OPEN. MAINTENANCE INSPECTED AND RE-SECURED THE MAIN CABIN DOOR LOCKING LEVER. OPERATIONAL CHECKS WERE REPORTED GOOD.