As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- ABORTED TAKEOFF, DURING TAKEOFF ROLL AT 70 KIAS ON TAKEOFF POWER SET, NOTED THAT AUTO-FEATHER ARM LIGHT WAS NOT ON. LIGHT TESTED GOOD. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED 6121-K5 RELAY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.