As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WINDOW OVERHEAT LIGHT ON, REMAINED ON AFTER QRH PROCEDURE, RIGHT FWD WINDOW. ACFT GROUNDED. PERFORMED A BITE CHECK OF WHC. FOUND SENSOR FAULT ON THE R1 WINDSCREEN. SWAPPED SENSORS AT TOGGLE SWITCH. PERFORMED SECOND BITE CHECK OF WHC NO FAULTS FOUND AT THIS TIME. PERFORMED WINDOW HEAT OPS TEST IAW AMM 30-41-00. SYSTEM RESTORED AT THIS TIME.