As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE LANDING GEAR CAUTION LIGHT CAME ON AND THE QRH ALTERNATE LANDING GEAR EXTENSION PROCEDURE WAS COMPLETED WITHOUT INCIDENT BEFORE LANDING. AFTER INVESTIGATING RELEVANT PSEU CODES, THE RH MLG DOOR SOLENOID SEQUENCE VALVE WAS FOUND INOPERATIVE AND REPLACED WITH SATISFACTORY CHECKS CARRIED OUT.