What was found
CENTER WINDSHIELD BEGAN BUBBLING AT CRUISE 20 MINUTES INTO THE FLIGHT. AREA TURNED BLACK AND STARTED TO CRACK. AIR TURNBACK TO CVG. REPLACED WINDSHIELD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CENTER WINDSHIELD BEGAN BUBBLING AT CRUISE 20 MINUTES INTO THE FLIGHT. AREA TURNED BLACK AND STARTED TO CRACK. AIR TURNBACK TO CVG. REPLACED WINDSHIELD.