As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 WINDOW HEAT INOP. PRIOR TO TOP OF DESCENT IN NON ETOPS AIRSPACE LEFT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED. FOLLOWED QRH. OVERHEAT LIGHT STILL ILLUMINATED. REPLACED L2 WINDOW COIL CORD ASSY M2675 AND PERFORMED OPS CHECK OF L2 WINDOW REF FIM 30 11 00 OPS CHECK GOOD.