As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- SMOKE WARNING AND MASTER CAUTION LIGHT ILLUMINATED FOR 10 SECONDS DURING FINAL APPROACH. INSPECTED BOTH SMOKE DETECTORS IN BAGGAGE PIT. NO DEFECTS NOTED. PERFORMED BAGGAGE COMPARTMENT SMOKE DETECTOR SYSTEM TEST. NO FURTHER DEFECTS. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.