As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED A LOUD SQUEAL FROM THE RT OVERWING EMERGENCY EXIT WHEN THE PAX DOOR WAS SHUT. MAINTENANCE REMOVED THE OVERWING HATCH INSPECTED THE SEAL AND REINSTALLED THE DOOR AND PERFORMED A PRESSURIZATION CHECK WITH NO LEAKS OR SQUEALS NOTED.