What was found
ORD FLT 5887 THE CREW REPORTED A ENGINE NR 1 FIRE DETECT FAIL MESSAGE ON CLIMBOUT. THE AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 ENGINE CONTROL MODULE. OPERATIONAL CHECKS WERE GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ORD FLT 5887 THE CREW REPORTED A ENGINE NR 1 FIRE DETECT FAIL MESSAGE ON CLIMBOUT. THE AIRCRAFT RETURNED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 ENGINE CONTROL MODULE. OPERATIONAL CHECKS WERE GOOD.