As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
57 MINUTES INTO FLIGHT AT FL320, FLIGHT AIR NOISE EMANATING FROM UPPER LEFT CORNER OF R2 WINDOW. AT 66 MINUTES INTO FLIGHT NOISE BECOMES A WHISTLE SOUND. SOUND BECAME INTERMITTENT FOR REMAINDER OF FLIGHT. REMOVED AND REPLACED RT SLIDING WINDOW AS PER MM 56-12-01. PERFORMED ADJ/TEST IAW MM 56-12-01 PG 501. FOUND SATISFACTORY. THIS CLEARS D281995.