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