As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
D: R WINDOW HEAT INOP / C: MEL 30-41-1A / CAT: "C" DUE 8/15/2021 / DURING OPS CHECK OF WINDSHIELD/WINDOW TEMP CONTROLLER FOUND R WINDOW HEAT CAUTION MESSAGE ON EICAS. CREATED FROM FORWARD DISCREPANCY. PLEASE REFERENCE AML 701807 REMOVED AND REPLACED RH COCKPIT WINDOW REF 56-220-1000-SKY