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 LIGHT ILLUMINATED ON APPROACH. ACCOMPLISHED QRH PROCEDURE AND LIGHT REMAINED EXTINGUISHED. GROUNDED. DUE TO UNIT HISTORY ENGINEERING REQUESTS REPLACEMENT OF WCHU. REPLACED RT SIDE WINDOW HEAT CONTROL UNIT. OPS CHECKED GOOD, REF AMM 30-41-11.