As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O WINDSHIELD BEGAN TO ARC FROM LOWER LT CORNER, THEN SPREAD THROUGHOUT WINDSHIELD. TURNED OFF WINDOW HEAT, ENTIRE OUTER LAYER OF WINDSHIELD CRACKED. COMPLIED WITH QRH PROCEDURES. R & R WINDSHIELD IAW MM 56-11-01-4 AND EA F-5610-160380. ACFT OK FOR SERVICE.