As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLE FLIGHT 2116 THE CREW REPORTED A ENGINE NR 2 FIRE DETECT FAIL MESSAGE INTERMITTENTLY IN FLIGHT. MAINTENANCE REPLACED THE NR 2 ENGINE PYLON FIRE DETECTOR ASSEMBLY. ALSO REPLACED THE NR 2 ENGINE FIRE CONTROL MODULE. OPERATIONAL CHECKS WERE GOOD.