As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - CREW REPORTED AFTER TAKEOFF FORWARD CARGO FIRE DETECTION AGENT DISCHARGE LIGHT ILLUMINATED. FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED FORWARD CARGO FIRE BOTTLE. SYSTEM GROUND CHECKED NORMAL OPERATION.