What was found
MSP FLT 2270 THE CREW REPORTED AN ENGINE FIRE DETECTOR FAIL MESSAGE. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR LOOP. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MSP FLT 2270 THE CREW REPORTED AN ENGINE FIRE DETECTOR FAIL MESSAGE. MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE FIRE DETECTOR LOOP. OPERATIONAL CHECKS WERE GOOD.