As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DAY - FLT 4313 - BAGGAGE SMOKE WARNING CAME ON IN-FLIGHT. DEFERRED BAGGAGE SMOKE WARNING SYSTEM PER MEL 26-13. REMOVED AND REPLACED BOTH BAGGAGE SMOKE DETECTOR SENSORS. OPERATIONAL CHECKED GOOD. MEL CLEARED. REF: OPERATOR CONTROL NR SIMA982855.