As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CRUISE, R2 WINDOW (SIDE) OVERHEAT LIGHT ILLUMINATED. LIGHT EXTINGUISHED AFTER WINDOW HEAT TURNED BACK ON (PERQRH) AFTER 2 MINUTES LIGHT NEVER CAME BACK ON REMAINDER OF FLIGHT. PERFORMED BITE CHECK WHCU NO CURRENT FAULTS. INTERMITTENT FAULT. FIM TASK 30-41-00-810-801.