As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- AUTOFEATHER FAILED TO ARM ON TAKE OFF ROLL. AUTOFEATHER WAS SELECT, LAMP TESTED GOOD. ADJUSTED AND CHECKED AUTO FEATHER ARMING IAW RIGGING MANUAL. GROUND RAN, OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.