As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 80 KNOTS ABOUTED TAKEOFF FOR AUTOFEATHER NOT ARMING. RETURNED TO GATE. INTERROGATED CDS, FOUND FAULT CODES 494 A & B, AND 420 B. CLEARED FAULT CODES AND C/W FIM TASKS 61-20-09-810-810 AND 61-20-10-810-826. OPS CHECK PASS, FAULT CODES DO NOT RETURN. RETURNED TO SERVICE.