What was found
MCI - FLT 2484 THE CREW REPORTED A NR 1 ENGINE FIRE DETECT FAIL MESSAGE ON TAXI OUT. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCI - FLT 2484 THE CREW REPORTED A NR 1 ENGINE FIRE DETECT FAIL MESSAGE ON TAXI OUT. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR. OPERATIONAL CHECKS WERE GOOD.