As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L WINDSHIELD HEAT STARTING ARCING/SPARKING (FLIGHT 3981 - FILED CLOSED) THIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 29291320 WITH THE FOLLOWING CORRECTIVE ACTION: "REMOVED AND REPLACED LH WINDSHIELD IN REFERENCE CRJ 900 MIP 56-220-1000-SKY. OPS AND LEAK CHECK GOOD AT THIS TIME. "