As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT BAG FIRE WARNING LIGHT AT 6000' ON FINAL. NO EVIDENCE OF SMOKE OR FIRE ON INVESTIGATION. CLEANED ALL SMOKE DETECTOR SCREENS FROM DUST AND PERFORMED SMOKE DETECTOR SYS FUNCTIONAL TEST WITH NO DEFECTS NOTED AT THIS TIME. WORK DONE IAW AMM 26-11-00.