As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT 2452 ON DESCENT INTO PDX RIGHT COWL ANTI ICE AND RIGHT BLEED CAUTION MESSAGE ILLUMINATED. ANTI ICE SYNOPTIC PAGE SHOWED RIGHT BLEED VALVE AND RIGHT ENGINE ANTI ICE VALVES CLOSED. PERFORMANCE OF RIGHT COWL ANTI ICE AND RIGHT BLEED CAUTION MESSAGE CHECKLISTS CAUSED MESSAGES TO EXTINGUISH. REPLACED NR 2 PRSOV. OPERATION CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.