As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 1815 - GEAR - ALTERNATE GEAR EXTEND SYSTEM USED TO LOWER LANDING GEAR AFTER MAIN GEAR DID NOT DISPLAY DOWN AND NOSE GEAR INDICATIONS NORMAL DURING INITIAL AND SECOND ATTEMPT. ALL GEAR DOWN AND LOCKED. CORRECTIVE ACTION: REPLACED MLG SELECTOR/BYPASS VALVE V652. (LP 4914038)