What was found
DEN - CREW REPORTS FIRE SYSTEM FAULT STATUS MESSAGE IN FLIGHT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE FIDEX CONTROL UNIT. OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DEN - CREW REPORTS FIRE SYSTEM FAULT STATUS MESSAGE IN FLIGHT. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE FIDEX CONTROL UNIT. OPERATIONAL CHECK WAS GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.