As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GEG-ON FLIGHT NUMBER 2356, ROLL SPOILER OUTBOARD GROUND CAUTION LIGHT ILLUMINATED UPON CLEARING RUNWAY AFTER LANDING. FLIGHT/TAXI SWITCH FOR SPOILERS STILL IN FLIGHT POSITION. PFCS INDICATES OUTBOARD SPOILERS IN RETRACTED POSITION. PLACED ON MEL. THE OUTBOARD SPOILER LOWER LIFT DUMP VALVE WAS REPLACED. OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.