As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3931 THE CREW REPORTED THE EMERGECNY EXIT WINDOW-B/C (RT) SIDE WHISTLES IN FLIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. CONDUCTED A GENERAL VISUIAL INSPECTION OF THE RIGHT OVERWING EMERGENCY EXIT DOOR SEAL FOUND TAPE UNDER SEAL, REMOVED TAPE IAW STANDARD MAINTENANCE PRACTICES. THE AIRCRAFT WAS RETURNED TO SERVICE.