As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 WINDOW OVERHEAT LIGHT ILLUMINATED. CYCLED POWER TO L2 IAW QRH P36. OVERHEAT LIGHT REMAINED ON. GROUNDED - YES. FOUND PIN 3 PUSHED IN AT D10572 AND TOUCHING GROUND. RE-SEATED AND VERIFIED LOCKING. RESET C/B. L2 WINDOW HEAT OPS NORMAL. REF B737-800 AMM 30-41-00.