As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED LARGE AMOUNT OF SCRATCHES ON CAPTAINS L2 SLIDING WINDOW. SCRATCHES INTERFERE AND HINDER VISIBILITY FROM FLIGHT DECK DURING ALL PHASES OF FLIGHT. MAINTENANCE REPLACED THE L2 SLIDING WINDOW AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.