What was found
PDX - AUTO FEATHER FAILED TO ARM. MAINTENANCE ADJUSTED AUTO FEATHER ARMING POTENTIOMETER. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - AUTO FEATHER FAILED TO ARM. MAINTENANCE ADJUSTED AUTO FEATHER ARMING POTENTIOMETER. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.