As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW GOT CARGO FIRE WARNING ON APPROACH. WARNING BRIEFLY WENT OFF THEN CAME ON AGAIN. CREW FIRED BOTTLE AND AIRCRAFT LANDED AT DESTINATION WITHOUT INCIDENT. FIRE DEPARTMENT RESPONDED AND USED SENSOR TO DETERMINE NO FIRE WAS PRESENT. REMOVED AND REPLACED CIRCUIT CARD AND SPENT FIRE BOTTLES. AIRCRAFT RETURNED TO SERVICE.