As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT SIDE WINDOW NR 2 OVERHEAT LIGHT ILLUMINATED. RIGHT SIDE WHCU BITE TEST OK. USING INFARED THERMOMETER FOUND RIGHT SIDE WINDOW TEMP WITHIN LIMITS REF MM 30 41 00 701 801. OPS CHECK OK. FOUND RIGHT SIDE WINDOW HEAT SWITCH JAM NUT LOOSE. REMOVED LIGHT PLATE & RE-SECURED JAM NUT.