As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED FWD CARGO SMOKE WARNING IN FLIGHT. DISCHARGED FWD FIRE BOTTLE. DIVERTED TO DEN AND ACCOMPLISHED A PRECAUTIONARY LANDING. *S/D* NORMAL DISCHARGE NOTED. CONFIRMED NO INDICATIONS OF FIRE OR SMOKE. FWD CARGO SMOKE WARNING, SMOKE DETECTOR CONTROL UNIT REPLACED. SMOKE DETECTOR CONTROL UNIT SENT TO VENDOR FOR ANALYSIS.