As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DESCENDING THROUGH FL 280 GEAR NOT DOWN, EICAS WARNING ACCOMPANIED BY AURAL WARNING. THIS CONDITION CONTINUED THROUGHOUT DESCENT ANYTIME THROTTLES RETIRED TO IDLE. TROUBLESHOOTING IAW 31-51 FAULT TREE 817, FOUND PIN 3 OF THE LANDING CONFIGURATION WARNING MODULE CONNECTOR D595 TO HAVE RESISTANCE AT ALL TIME. REMOVED NR 1 FSEU & STILL HAD RESISTANCE AT PIN 3.