As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRANSFER FROM EAML 847651 : L WINDOW HEAT CAUTION MESSAGE AFTER TURNING ON LEFT WINDSHIELD HEAT LOW (FLIGHT 3745 - FILED CLOSED) REMOVED AND REPLACED LH WINDOW SEE CP24355084-1. PERFORMED OPS CHECK OF WINDOW HEAT SYSTEM IN REFERENCE CRJ 900 AMM 30-41-06. OPS CHECK GOOD.