What was found
DURING FLIGHT LEFT MAIN LANDING GEAR OVERHEAT LIGHT ILLUMINATED. RESEARCHED TECH DATA. GAINED ACCESS TO WHEEL WELL INSPECTED FOR ANY VISUAL DAMAGE OR DEFECTS, FOUND NONE AT THIS TIME. PERFORMED GEAR WELL OVERHEAT TEST AND TEST PASSED. CONTACTED LMCC FOR HISTORY AND NONE FOUND. PERFORMED OPERATIONAL TEST OF MAIN LANDING GEAR WELL FIRE DETECTOR ON LT SIDE, ANNUNCIATOR GOES OFF AT 340 DEGREES FAHRENHEIT. CONTACTED REP WITH INFO, REP REQUEST, TO INSTALL NEW SENSOR. REMOVED SENSOR P/N B160 AND INSTALLED NEW SENSOR P/N HB160, S/N UK289. PERFORMED OPS CHECK AND FAIL NO INDICATION AT TEMP 420 DEGREES FAHRENHEIT. REMOVED DETECTOR S/N UK289 AND TEMPORARILY INSTALLED ORIGINAL DETECTOR. NEW DETECTOR ON ORDER. R