As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA AFTER TAKEOFF FROM BOI, THE RT GEAR DOOR LIGHT REMAINED ILLUMINATED. FLIGHT CONTINUED TO SEA. PERFORMED AN EMERGENCY GEAR EXTENSION ON APPROACH TO SEA AND ACCOMPLISHED AN UNEVENTFUL LANDING. ACFT FERRY TO PDX FOR REPAIRS. IN PDX, MX FOUND MULTIPLE PSEU FAULTS IN MEMORY. REPLACED THE NOSE GEAR HARNESS AND THE PSEU AS A PRECAUTION. CHECKS GOOD. RETURNED TO SERVICE.