As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
L2 LEFT SIDE WINDOW OVERHEAT LIGHT ON. CYCLED SWITCH OFF FOR 5 MINUTES THEN BACK ON WITH SAME RESULT. TURNED SWITCH BACK OFF AND OVERHEAT LIGHT GOES OUT. ACFT GROUNDED. ACCOMPLISHED FIM 30-41 TASK 814. NO FAULTS NOTED. REPLACED WINDOW HEAT CONTROL UNIT FOR L2 SLIDING WINDOW IAW AMM 30-41-11/401. OPS GOOD IAW AMM 3--41-11/501.