As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON FLIGHT 2133, DIVERTED FROM SEA-EUG, TO PDX, NR 2 RUD HYDRAULIC CAUTION LIGHT WITH ASSOCIATED LIGHTS ON SHORT FINAL. MAINTENANCE, REMOVED AND REPLACED CHECK VALVE. SERVICED AND BLED NR 2 HYDRAULIC SYSTEM. NO LEAKS NOTED. AIRCRAFT RETURNED TO SERVICE.