As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT FL 370 FO,S FRONT WIND SCREEN OUTER PANE SUDDENLY CRACKED. SPIDER WEB PATTERN WITH MULTITUDE FRACTURES.DECENDED TO FL 230. DELTA P AT 5.0. DIVERTED TO DUE FUEL. REPLACED FO,S WINDSHIELD AND WINDOW HEAT CONTROLLER AS PER AMM 56-11-11. WINDOW OPERATION CHECKED SERVICEABLE.