What was found
ON FLIGHT 3311 JUST PRIOR TO LANDING (ABOUT 200 FL AFL) RECEIVED BAGGAGE SMOKE MESSAGE ON EICAS AFTER CLEARING RUNWAY. PERFORMED EPC MEMORY ITEMS -FIRED BAGGAGE EXTINGUISHER. FLIGHT ATTENDANT CONFIRMED NO FIRE BY VISUAL INSPECTION. CRASH, FIRE AND RESCUE CONFIRMED NO HEAT BY INFRARED. TAXIED TO GATE SHORTLY PRESSING BAGGAGE SMOKE BUTTON. RECEIVED BAGGAGE EXTINGUISHER BOTTLE INOPERABLE MESSAGE ON EICAS. BAGGAGE SMOKE LIGHT THEN EXTINGUISHED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED BAGGAGE UPPER FIRE EXTINGUISHER BOTTLE IAW AMM 26-23-01. THE OPERATIONAL CHECK WAS GOOD. REMOVED AND REPLACED THE BAGGAGE LOWER FIRE EXT BOTTLE IAW AMM 26-23-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.