As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED PASSENGER DOOR SQUEALING. AIRCRAFT RETURNED TO AIRPORT LANDING WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT, REMOVED AND REPLACED THE DOOR SEAL PER AIRCRAFT MANUALS. CHECKS WERE PERFOMED PER THE AIRCRAFT MANUALS AND AIRCRAFT WAS RELEASED FOR SERVICE.