As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 6042, CVG TO JAX - THE FLIGHT CREW REPORTED THAT DURING CLIMB AT FL230 THEY HEARD A POP FROM THE CAPTAIN'S WINDSCREEN AND THE OUTSIDE PANE WAS CRACKED. THE FLIGHT RETURNED TO CVG AND LANDED WITHOUT INCIDENT. THE CAPTAIN'S WINDSHIELD WAS REPLACED IAW AMM 56-10-01 WITH PRESSURE AND SECURITY CHECKS GOOD.