As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AUTOFEATHER DID NOT ARM DURING TAKEOFF RUN. EVEN WHEN TORQUE REACHED 81 PERCENT. CREW ABORTED TAKEOFF. ACFT HANDED OVER TO MAINTENANCE. AUTOFEATHER TEST FAILED ON GROUND. FAULT CODE 398 STORED ON ENG NR 2, CHANNEL B. REPLACED NR 2 PEC. ACFT GROUND TEST AND ENGINE RUN OK.