As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, BAGGAGE SMOKE LIGHT (EICAS) CAME ON. NO SMOKE OR FUMES DETECTED ON INSPECTION AFTER LANDING. BAGGAGE SMOKE DETECTOR FOUND TO BE VERY DIRTY. REMOVED SMOKE DETECTOR AND CLEANED COVER AND MOUNTING AREA. REINSTALLED AND PERFORMED FUNCTIONAL CHECK. SYSTEM CHECKED GOOD. INITIATED A FLEET INSPECTION AND CLEANING OF DETECTORS.