As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CARGO COMPARTMENT NR 1 FIRE BOTTLE DISCHARGED DURING FLIGHT DUE TO FALSE FIRE WARNING INDICATION. DIVERTED TO SYR AND ACCOMPLISHED A PRECAUTIONARY LANDING. *S/D* NORMAL DISCHARGE NOTED. CONFIRMED NO INDICATIONS OF FIRE OR SMOKE AND NO LIVESTOCK OR FRUIT. FWD CARGO SMOKE WARNING, SMOKE DETECTOR CONTROL UNIT REPLACED. SMOKE DETECTOR CONTROL UNIT SENT TO VENDOR FOR ANALYSIS.