As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN'S INNER WINDOW PANE SHATTERED. ENGINEERING EVALUATED WINDOW AND CANNOT DETERMINE THE EXACT CAUSE OF THE FAILURE DUE TO A LACK OF OBVIOUS DAMAGE (INITIATION/CAUSE). THE WINDOW HAS BEEN FORWARDED TO THE MANUFACTURER SULLY (SAINT-GOBAIN) IN FRANCE FOR FURTHER EVALUATION (CONFIRMED IN FRANCE ON JUNE 21).