As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- RETURNED TO FIELD DUE TO POWER PLANT MESSAGE DURING CLIMB AFTER TAKE OFF. ALL OTHER INDICATIONS NORAML. NO CAUTION LIGHT. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PROPELLER ELECTRONIC CONTROL. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.