As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O SLIDING WINDOW NOISE BEGAN 30 MIN AFTER T/O AND LEVEL OFF FL340. PRESSURIZED AIRCRAFT AND FOUND AREA UPPER AFT CORNER OF WINDOW R1 LEAKING AIR. RETORQUED WINDOW R1 IAW MM AND REPLACED 3 INCHES OF SEALANT IN SAID AREA. APPLIED TAPE OVER SEALANT FOR SMOOTHING.