What was found
FLT NR 6529 - IAD-JFK - DURING APPROACH, THE VENTRAL BAGGAGE BAY SMOKE DETECTOR LIGHT ILLUMINATED. AN EMERGENCY WAS DECLARED AND AIRCRAFT LANDED AT JFK WITH NO FURTHER INCIDENTS. MAINTENANCE INSPECTED BUT FOUND NO FIRE OR SMOKE EVIDENCE. MAINTENANCE OPENED DMI NR 21970 IAW MEL 26-3 ON THE VENTRAL BAGGAGE SMOKE DETECTION SYSTEM. MAINTENANCE LATER CLEARED DMI NR 21970 ON 3-19-96, BY REPLACING THE BAGGAGE BAY SMOKE DETECTOR. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)