As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 410 WHEN WINDSHIELD HEAT FAIL LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST, WAITED APPROX 5 MINUTES AND RESET BREAKER. W/S HEAT FAIL LIGHT REMAINED EXTINGUISHED AT THIS TIME. APPROX 30 SECONDS LATER, CREW HEARD A LOUD POP AND WITNESSED COPILOTS WINDSHIELD SPIDERWEBBED. CREW DECLARED AN EMERGENCY AND DIVERTED TO GJT. REMOVED AND REPLACED CO-PILOTS WINDSHIELD, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.