What was found
LANDED UNDER AMBER ALERT DUE TO CARGO FIRE LIGHT ILLUMINATED ON FINAL APPROACH. MAINTENANCE REMOVED AND REPLACED THE CARGO DETECTION PANEL, BOTH FIRE BOTTLES, METERING VALVE, DIVERTER VALVE, LINE FILTERS, PERFORMED INSPECTION OF THE CARGO COMPARTMENT DISCHARGE NOZZLES AND THE SMOKE DETECTORS. AFTER INSTALLATION OF SERVICEABLE EQUIPMENT, CARGO COMPARTMENT FIRE DETECTION AND SUPPRESSION SYSTEM WAS TESTED AND THE AIRCRAFT WAS RETURNED TO SERVICE.