What was found
MKE - FLT 4300 - CARGO SMOKE INDICATION ILLUMINATED ON APPROACH. ACTIVATED FIRE EXTINGUISHERS. VERIFIED EVENT AS A FALSE WARNING. REMOVED AND REPLACED BOTH HIGH AND LOW PRESSURE FIRE EXTINGUISHERS. PULLED BAGGAGE SMOKE DETECTOR CIRCUIT BREAKER AND COLLZRED PER EMBRAER LETTER REF SST 1639/98. ITEM IS DEFERRED. FOUND WIRE GOING TO PIN 7 WAS HELF IN BY ONLY TWO STRANDS. REPAIRED WIRE WITH SPARE CONNECTOR AT PIN 15. OPERATIONAL CHECK GOOD. MEL CLEARED. (M)