As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT SIDE WINDOW HEAT OVERHEAT WOULD NOT RESET AFTER COOLING. ACFT GROUNDED. WHCU SHOWS SENSOR FAULT. SWAPPED CORD WITH A NEW CORD- NO HELP. REF FIM TASK 30-41-00-810-811 SWAPPED PRIMARY SENSOR TO SPARE SENSOR TERMINAL WITHOUT REMOVING THE WINDOW, RT SIDE WHCU SYS TEST OK. REF MM 30-41-11-710-801.