What was found
IAH - FLIGHT 2086, THE CREW REPORTED A BAGGAGE SMOKE INDICATION IN FLIGHT. THE CREW DISCHARGED THE CARGO FIRE BOTTLES AS A PRECAUTION, AND RETURNED TO IAH WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, AND REPLACED THE FORWARD BAGGAGE SMOKE DETECTOR, AND BOTH CARGO FIRE BOTTLES. OPERATIONAL CHECKS WERE PERFORMED WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.