As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFEATHER DID NOT ARM DURING TAKEOFF ROLL. ABORTED TAKEOFF. C/W AUTOFEATHER TEST, SYSTEM OPS NORMALLY. DNAA INFO PER MP&P LOGIC DIAGRAM STEP 1. INSPECTED P/L MICROSWITCHES FOR CORRECT OPERATION. NO DEFECTS NOTED. CLEANED C/P'S AT TSCU. REMOVED AND REPLACED RELAY 6121-K5. GROUND RAN A/C, OPS CHECK GOOD.