What was found
SMOKE CAME FROM OVERHEAD PANEL NEAR GLARESHIELD LIGHT RHEOSTAT. DROPPED LT OVERHEAD LIGHT PANEL. CONFIRMED BURNING ODOR FROM PANEL. FOUND LT RUNWAY TURNOFF LT SWITCH INTERNALLY SHORTED AND FIXED IN OFF POSN. PULLED AND SECURED C/B 11P6 AND CONFIRMED LT RUNWY TURNOFF CIRCUIT AND SW ISOLATED PER SSM 33-42-02PG103. VISUALLY INSPECTED ALL OTHER SWICHES ON PANEL AND FOUND GOOD. NO BURNING ODOR. FWD LT RUNWAY TURN OFF LIGHT TO MCO AND PLACARD PER MEL 33-42-03. ETOPS CATEGORY 'F': ANY OTHER EVENT DETRIMENTAL TO ETOPS