As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 4232 - AFTER LANDING CREW HAD SMOKE WARNING INDICATION IN CARGO COMPARTMENT. THE CREW AT THAT TIME BLEW THE CARGO FIRE BOTTLES. MAINTENANCE INSPECTED AND FOUND NO FIRE IN THE AREA. MAINTENANCE REMOVED AND REPLACED FORWARD SMOKE SENSOR IAW EMB MM. OPERATIONAL CHECK WAS GOOD. FIRE BOTTLES WERE REPLACED AND AIRCRAFT WAS RETURNED TO SERVICE. (M)