As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD FLT 1919 EN ROUTE FROM CLT TO ORD, CREW REPORTED THE CAPTAIN'S L1 WINDSHIELD BEGAN TO ARC AND THEN CRACK. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE CAPTAIN'S L1 WINDSHIELD PER JOB CARD J356-11-01. OPERATIONAL CHECK GOOD.