As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR SYS DISAGREE WHEN SELECTING GEAR DOWN. LT MAIN RED B LIGHT, L MAIN GRN A LIGHT, ALL OTHER INDICATIONS NORMAL. VISUAL GEAR DOWN THROUGH CABIN WINDOW. FLT 5363 RECONNECTED CANNON PLUG ON LT MLG DOWN & LOCKED PROX SENSOR B. OPERATIONS CHECKED GOOD.