As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A PILOT REPORTS LOUD NOISE COMING FROM UNDER CAPTS SLIDING WINDOW NOISE STARTED AT 2 PSID AND ENDED AT 8 PSID. PRESSURIZED AIRCRAFT, NO DEFECTS NOTED. FOUND CAPTS WINDOW SEAL STICKING TO WINDOW AND POPPING DURING PRESSURIZATION. CLEANED BULB SEAL AND PRESSURIZED A/C SEVERAL TIMES. NO NOISE NOTED.