As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 9410 - CREW REPORTED CARGO SMOKE INDICATION ON THE EICAS. THE QRH WAS FOLLOWED AND THE BAGGAGE BAY BOTTLES WERE FIRED. MAINTENANCE INSPECTED THE AIRCRAFT AND DID NOT FIND THE SOURCE OF THE SMOKE INDICATION OR ANY INDICATION OF A FIRE. THE DAU2 WAS REMOVED AND REPLACED AND THE BAGGAGE SMOKE SYSTEM RELAY K0629 WAS REMOVED FOR TROUBLESHOOTING. THE FIRE EXTINGUISHING BOTTLES WERE REPLACED AND THE WIRING FOR THE BAGGAGE SMOKE INDICATION SYSTEM WAS ALSO CHECKED WITH NO DEFECTS NOTED.