What was found
RECEIVED RED CONFIGURATION LIGHT, RED GEAR NOT DOWN EICAS MESSAGE, AND WARNING HORN INTERMITTENLY FROM TOP OF DECENT TO 4000 FEET MSL. PERFORMED TROUBLESHOOTING OF LANDING GEAR CONFIGURATION WARNING PROBLEMS IAW FIM 31-51 FAULT TREES 814 AND 817. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED THE LANDING GEAR CONFIGURATION WARNING MODULE AS A PRECAUTION DUE TO ITEMS INTERMITTENT HISTORY IAW AMM 31-51-04-4. OPS CHECK GOOD, NO DEFECTS NOTED.