What was found
F/O'S SIDE WINDOW HEAT "OVERHEAT" LIGHT ILLUMINATED WILL NOT RESET. ACFT GROUNDED. INDICATIONS ON OVERHEAD PANEL WERE NORMAL, GREEN ON LIGHT ILLUMINATED OVERHEAT LIGHT OFF WHEN CHECKED. C/W FIM TASK 30-41-00-810-801 BITE OF WINDOW HEAT CONTROL UNIT. FOUND P5-9 CNTRL PANEL FAULT LIGHT IN HISTORY. NO ACTIVE FAULTS FOUND. C/W FIM TASK 30-41-00-810-813. P5-9 PANEL FAULT. BITE VERIFY PASS, LIGHT REMAINS OFF. WHCU PASSES BITE - P5-9 FAULT LIGHT REMAINS OFF. NO HISTORY LAST 30 DAYS.