As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN - FLIGHT 1 EN-ROUTE PIT TO LAX. DURING FLIGHT, THE FIRST OFFICER'S WINDOW BEGAN TO CRACK. THE CREW PULLED THE WINDSHIELD HEAT CIRCUIT BREAKER AND DIVERTED TO DEN. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FIRST OFFICER'S WINDSHIELD. OPERATIONALLY CHECKS OK.