As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLIGHT 2555 RETURNED TO FIELD, RIGHT BLEED DUCT WARNING MESSAGE FOLLOWED BY RIGHT BLEED DUCT CAUTION MESSAGE. MAINTENANCE INSPECTED FOR BLEED LEAKS, NONE NOTED. RESECURED ELEMENTS AT MT144 AND MT204. NO PARTS REPLACED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.