As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT FORWARD WINDOW OVERHEAT LIGHT ILLUMINATED. DID THE CHECKLIST AND THE LIGHT CAME BACK ON. ACFT GROUNDED. BITE CHECK OF RT FRONT WHCU FAULTS "WINDOW SENSOR" PRIMARY SENSOR FAILED. RESISTANCE CHECK OF BOTH SENSORS FAILED OPEN. RIGHT FRONT SENSOR SWITCH PLACED IN PRIMARY POSITION REF AMM 30-41-21/401. REPLACED RT NR 1 WINDOW AMM 56-11-11-400-801.