As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HOU - FLT 3544 - BAGGAGE SMOKE WARNING INDICATION CAME ON IN-FLIGHT. DISCHARGED FIRE EXTINGUISHER. RETURNED TO HOUSTON. VERIFIED EVENT AS A FALSE WARNING AND DEFERRED BAGGAGE SMOKE WARNING SYSTEM. ON 5-31-99, THE BAGGAGE SMOKE WARNING SYSTEM WAS OPERATIONALLY CHECKED WITH NO DISCREPANCIES NOTED. THE MEL ITEM WAS RESTORED AND THE AIRCRAFT WAS RETURNED TO SERVICE. (X)