As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RNO FLIGHT NR 2256: AUTOFEATHER DID NOT ARM. TAKEOFF ABORTED AT 70 KTS. AIRCRAFT RETURNED TO GATE. MAINTENANCE INTERROGATED CDS AND FOUND FAULT CODE 494 ON BOTH ENGINES. C/W AMM TASK 61-20-00-710-805. OPS CHECK OF AUTO FEATHER SYSTEM PASSED TEST. MESSAGES WERE CLEARED. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.