What was found
PDX- ON FLIGHT NUMBER 2434, FIRE SYSTEM STATUS MESSAGE CAME ON IN FLIGHT, ALL OTHER INDICATIONS NORMAL. REMOVED AND REPLACED LOWER FIRE DETECTOR RAIL. OPERATIONAL TEST CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX- ON FLIGHT NUMBER 2434, FIRE SYSTEM STATUS MESSAGE CAME ON IN FLIGHT, ALL OTHER INDICATIONS NORMAL. REMOVED AND REPLACED LOWER FIRE DETECTOR RAIL. OPERATIONAL TEST CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.