As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 3545 - RIC - SPS ADVANCE COMES ON EICAS AFTER GEAR IS UP AND STAYS ON UNTIL 20 SECONDS AFTER GEAR IS DOWN AND LOCKED. MAINTENANCE FOUND THE RT DOWN LOCK FORWARD HARNESS CHAFED. HARNESS WAS REPAIRED AND CANON PLUG WAS REMOVED AND REPLACED ALONG WITH THE RT FWD DOWNLOCK PROX SWITCH.