As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- GEAR DISAGREE WARNING WITH ALL UP INDICATIONS. DECLARED AN EMERGENCY WITH AIR TRAFFIC CONTROL. PERFORMED EMERGENCY CHECKLIST AND GEAR DEPLOYED MANUALLY. AIRCRAFT LANDED WITHOUT INCIDENT AND AIRCRAFT WAS TOWED TO THE GATE. REMOVED AND REPLACED MAIN LANDING GEAR SELECTOR VALVE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.