As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFO ONLY: CREW COMMENTS: CAPT NR 2 WINDOW STARTED LOUD PITCH SOUND AT LEVEL OFF AT FL320. SAMC TEXT: CREW COMMENTS: APPEARS TO BE COMING FROM LOWER AFT. CARRIED OUT VISUAL INSPECTION FROM EXTERIOR OF CAPT NR 2 WINDOW, NO DAMAGE FOUND. ALSO THE SEALS CONDITION OKAY. NEED FURTHER MONITOR.