As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFAIL LIGHT WITH CABIN ALT WARNING ACCOMPANIED BY HISSING NOISE FROM CAPT SIDE WINDOW, COULD NOT PRESSURIZE. PERFORMED OPS TEST OF PRESSURIZATION CONTROLLER IAW AMM 21-31-00 OPS CHECK OK. CHECKED AND CLEANED CAPT'S SLIDING WINDOW SEAL. NO DEFECTS NOTED.