As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE FWD WINDOW OVERHEAT LIGHT ILLUMINATED DURING CLIMBOUT. RAN THE CHECKLIST AFTER WAITING 3 MINS WITH SWITCH OFF THEN BACK ON, LIGHT REMAINED EXTINGUISHED. GROUNDED - YES. PERFORMED BITE CHECK ON LEFT WHCU FOUND P5-9/CONTROL POWER ILLUMINATED. REMOVED AND REPLACED LEFT NR 2 OPENABLE WINDOW IAW AMM 56-12-11/401. CABIN PRESSURE LEAK TEST AND WINDOW HEAT SYSTEM TESTED GOOD.