As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL380, PILOTS SIDE WINDOW OUTER PANE CRACKED. AC DEPARTED. REMOVED DEFECTIVE LT WINDOW AND INSTALLED A NEW WINDOW. POST INSTALLATION OPERATIONAL TEST OF COCKPIT SIDE WINDOW ANTI-ICING SYS AND LEAK TESTS WERE COMPLETED WITH SATISFACTORY RESULTS. (K)