As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MFR - SMOKE WARNING LIGHT ILLUMINATED FOR SHORT PERIOD NUMEROUS TIMES IN FLIGHT. INSPECTED BAGGAGE COMPARTMENT. NO SMOKE NOTED. SMOKE DETECTOR TESTED OK. REMOVED AND REPLACED NR 1 AND NR 2 BAGGAGE COMPARTMENT SMOKE DETECTORS. OPERATIONAL TEST OF BAGGAGE SMOKE DETECTION SYSTEM GOOD. AIRCRAFT RETURNED TO SERVICE.