As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAT LIGHT ON FOR R1 FWD WINDOW. ACFT GROUNDED. SELECTED BITE CHECK OF WINDOW HEAT SYS, FOUND SENSOR FAULT IN R1 WINDOW. SELECTED ALTERNATE SENSOR SWITCH WAS IN UP POSITION NOW SELECTED IN DOWN POSITION. PERFORMED OPS CHECK REF AMM 30-41-00, SYS OPS CHECKED OK. GROUND VERIFICATION CHECKS OK. NO HISTORY PAST 30 DAYS.