As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LG/AIR GROUND FAIL. INTERROGATED CMC, LG/AIR / GND LGEU FAIL MESSAGE ON CMC. PERFORMED FAULT ISOLATION IAW FIM 32-63-00. DISCONNECTED LGEU CONNECTORS. FOUND BACKSHELL LOOSE ON LEFT CONNECTOR. SECURED THE BACKSHELL, RECONNECTED CONNECTORS IAW AMM 32-32-01. OPS CHECKED GOOD