As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3972, CLEVELAND, MAIN PASSENGER DOOR WAS VERY DIFFICULT TO OPEN REPORTED THE FLIGHT ATTENDANT. BLEEDS WERE OFF. ASSISTANCE WAS NEEDED TO GET THE DOOR OPEN. MAINTENANCE CLEANED AND LUBED DIRTY AND STICKING TRACK ROLLERS. OPERATIONAL CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.