As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RIGHT COPILOTS HEATED WINDSHIELD CRACKED AT APPROX 20,000 FEET WITH THE AIRCRAFT PRESSURIZED TO APPROXIMATELY 4.5 PSI. THE WINDSHIELD IS SPIDER CRACKED ACROSS THE ENTIRE SURFACE. THE WINDSHIELD SHOWS NO EVIDENCE OF IMPACT CAUSING THE CRACKING.