As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EUG - FLIGHT 2558 (BUR-EUG) - DURING CRUISE AT 36,000 FEET CAPTAIN'S SIDE WINDOW STARTED TO CRACK. COMPLETED EMERGENCY CHECKLIST AND DIVERTED TO EUGENE AND ACCOMPLISHED A UNEVENTFUL LANDING. MAINTENANCE REPLACED THE SIDE WINDOW. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.