As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL, TWICE RECEIVED INTERMITTENT (1 SEC) MASTER FIRE WARNING LIGHTS (GLARESHIELD) AND BELL - NO FIRE INDICATIONS. AT ABOUT 600' AGL, FIRE LIGHTS ILLUMINATED, FIRE BELL SOUNDED AND THE NR 4 MAIN CARGO FIRE ILLUMINATED. LANDED AND EVACUATED THE COCKPIT THRU COCKPIT WINDOWS. REPLACED NR 4 MAIN CARGO SMOKE DETECTOR IAW AMM 26-16-001-4. SYS OPS CHECKED GOOD.