As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LEFT FORWARD WINDOW ARC IN FLIGHT AT BASE OF WINDOW. NO SMOKE, NO FUMES. PARTIAL WORK ACCOMPLISHED REMOVED AND REPLACED LEFT FORWARD WINDOW NUMBER 1 PER WORK 08L21056003 OPERATIONS CHECK GOOD NO LEAKS NOTED AT THIS TIME.