As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MLG RED WARNING LIGHT REMAINS ON AFTER THE GEAR IS RETRACTED & AUTO SPOILERS WOULD NOT ARM FOR LANDING. FLIGHT LANDED WITHOUT INCIDENT. ACFT REMOVED FROM SERVICE. REPLACED RT MLG UPLOCK SENSOR D1-25. SYS GND CHECKED NORMAL OPERATION CLOSED.