As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF ENCOUNTERED LOUD WIND NOISE FROM CAPTIANS L2 WINDOW. PRESSURIZED A/C ON GROUND REF AMM 21-31-00. NO FAULTS NOTED WHILE A/C WAS PRESSURIZED TO 4 PSI. SUSPECT L2 WINDOW TO NOT BE CLOSED AND LATCHED. ALSO FOUND DEBRI IN THE TOP GUIDE CHANNEL OF L2 WINDOW.