As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: LEFT WINDSHIELD ARCING, QRH PROCEDURE COMPLETED. MAINTENANCE INSPECTED THE LEFT WINDSHIELD AN NO DAMAGE WAS NOTED FOUND LEFT WINDSHIELD SENSOR BAD AND SWAPPED TO OPTIONAL SENSOR 3 PER TSM 30-42-00-810-A AND ASM 30-42-01. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED PER AMM 30-42-00-7710-001-A.