As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- NOSE GEAR FAILED TO RETRACT ON DEPARTURE. GEAR RECYCLED PER CHECKLIST. ALL GEAR CAME UP WITH ALL GEAR DOORS CLOSED. NO INDICATIONS OF PROBLEMS WITH MAIN GEAR. REMOVED AND REPLACED PSEU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.