As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA-ON FLIGHT NUMBER 2008, ON CLIMBOUT THROUGH 8,000 FEET, RUDDER PRESSURE AND RUDDER PRESSURE CAUTION LIGHTS ILLUMINATED. REMOVED AND REPLACED DUAL LEVEL PRESSURE REGULATOR. PERFORMED OPERATIONAL CHECK OF DUAL PRESSURE REGULATOR VALVE. OPERATIONAL/LEAK CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.