As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA- FLIGHT 2250. DURING THE PILOT DAILY CHECK OF THE AUTOFEATHER SYSTEM, THE NR 2 SYSTEM TEST FAILED. MAINTENANCE FOUND CODE 402A AND CLEARED CODES IAW 61-20-00-710-804. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.