As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- ON FLIGHT 2469 DIVERTED TO PDX FOR FLAPS FAILED TO RETRACT DURING AFTER-TAKEOFF FLOW. FLAP POWER CAUTION LIGHT ILLUMINATED AND RAN CHECKLIST. CAUTION LIGHT WENT OUT BUT CAME BACK ON WHEN ATTEMPTED TO RETRACT FLAPS. NO FLAP MOVEMENT. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED FLAP DRIVE POWER UNIT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.