As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MKE - FLT 4300 - ON CLIMB-OUT, HAD BAGGAGE SMOKE DETECTION WARNING. DISCHARGED NR 1 FIRE EXTINGUISHER. DECLARED EMERGENCY. LANDED SAFELY. DETERMINED TO BE A FALSE WARNING. SYSTEM DEFERRED PER MEL 26-13 AND 26-15. DURING THE WEEKEND OF 3/5-7, A RELAY WAS REPLACED. THE MEL ITEM WAS RESTORED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (M)