As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, CREW REPORTED CARGO SMOKE LIGHT ILLUMINATED. CREW DECLARED EMERGENCY AND DISCHARGED FIRE BOTTLES. AC LANDED SAFELY. MAINTENANCE INSP CARGO COMPARTMENT, NO EVIDENCE OF FIRE, REMOVED AND REPLACED FIRE BOTTLES AND SQUIBBS. AC RETURNED TO SERVICE.