As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FLIGHT THE FLIGHT CREW HEARD A LOUD CRACK FROM THE RT HEATED WINDSHIELD. THEY IMMEDIATELY NOTICED THE WINDOW PANES BEGIN TO DELAMINATE. NO OBJECT WAS WITNESSED HITTING THE AIRCRAFT OR WINDSHIELD. THE AIRCRAFT LANDED SAFELY AND THEN RETURNED TO BASE ON A FLIGHT PERMIT FOR REPAIRS. NO CRACKING IN THE WINDOW WAS EVIDENT. THE WINDOW WAS REPLACED BY MAINTENANCE. (TC NR 20070117003)