As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT 4583 - DURING CLIMB, CREW REPORTED THE CAPTAINS WINDSHIELD CRACKED. CREW DIVERTED TO JFK AND LANDED SAFELY WITH NO FURTHER INCIDENTS REPORTED. MAINTENANCE REMOVED AND REPLACED THE CAPTAINS WINDSHIELD IAW EMB MM. OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE. (M)