As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE TAKEOFF FROM MIAMI LOWER CARGO COMPT FIRE LIGHT ILLUMINATED. AFTER SHUTDOWN, MECHANIC DISPLAY SHOWED FALSE ALARM. FIRE DEPARTMENT VERIFIED NO HEAT IN (D) PIT. DOOR OPENED AND NOTHING FOUND. OVERWEIGHT INSPECTION REQUIRED. T/S SMOKE SYSTEM AND REPLACED 2EA SDU'S IN (D) PIT AND 1 EA IN (B) PIT. RECHARACTERIZED SYSTEM AND COMPLETE INOP. ACFT RETURNED TO SERVICE.