As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PHL FLT1428 - EN ROUTE FROM RDU TO PHL, CREW REPORTED THE CAPTAINS'S NR 1 WINDOW OUTER PANE CRACKED. OBSERVED ARCING FROM THE UPPER RIGHT SIDE, THEN CRACKING. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE CAPTAIN'S WINDSHIELD PER JOB CARD J356-11-01. ALSO, REMOVED AND REPLACED CAPTAIN'S NR 1 WINDSHIELD HEAT CONTROLLER. OPERATIONAL CHECK GOOD.