As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLT - PILOT REPORTED ARCING AT THE TOP LEFT CORNER OF FIRST OFFICER'S FORWARD WINDSHIELD WHEN HEAT WAS SELECTED ON. MAINTENANCE REMOVED AND REPLACED THE FIRST OFFICER'S WINDSHIELD PER JOB CARD 03L10156001. ALSO, REMOVED AND REPLACED WINDOW HEAT CONTROL UNIT PER MM 30-41-11. PERFORMED SATISFACTORY OPERATIONAL CHECK OF WINDOW HEAT SYSTEM.