As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LT THRUST REVERSER UNLOCK AMBER MESSAGE DURING FLIGHT. DECLARED AN EMERGENCY AND SAFELY LANDED AT DESTINATION AIRPORT. MAINTENANCE TROUBLESHOT, R & R LT ENGINE ORANGE HARNESS AND PERFORMED CHECKS IAW AMM. ACFT RELEASED FOR SERVICE.