As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESENT INTO DESTINATION (GGG) APPROX 60 MILES 20,000 FEET, THE CARGO SMOKE FIRE DETECTION SYSTEM FOR AFT CARGO COMPARTMENT SOUNDED BELL AND LIGHT ACTIVATED. A FEW SECONDS AFTER BELL WAS SILENCED ALL LIGHTS EXTINGUISHED . THIS REPEATED TWICE AN OUR APPROACH. VISUALLY INSPECTED AFT CARGO PIT SMOKE DETECTOR. NO DEFECTS NOTED. SYSTEM OPS CHECK NORMAL REF 26-15 OK FOR CONTINUED SERVICE.