As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/O WINDSHIELD SEEMS TO HAVE VERY DIM ELECTRICAL ARCING AT TOP NEAR WINDOW HEAT WIRING. INSPECTED WINDOW AND TERMINAL BLOCK & ALL CONNECTIONS TORQUE CHECKED AS PER AMM. ALL CONNECTIONS FOUND SECURE AND NO SIGNS OF BURNING ON TERMINAL BLOCKS.