As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MASTER WARNING AND SMOKE LIGHT ILLUMINATED AND EXTINGUSHED FOUR TIMES ON APPROACH. INTERMITTANT INDICATION. NO SIGN OF ACTUAL SMOKE. REMOVED AND REPLACED NR 1 BAGGAGE SMOKE DETECTOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.