As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - ON FLIGHT 2484, RETURNED TO GATE. AUTOFEATHER SELECT DID NOT ILLUMINATE ON ED. SWITCH LIGHT SELECT ILLUMINATED. MAINTENANCE INTERROGATED CDS FOR AUTOFEATHER FAULTS AND FOUND 494A AND 494B ON BOTH NR 1 AND 2 PEC'S. CLEARED FAULTS BY COMPLYING WITH OPERATIONAL TEST OF THE PROP AUTOFEATHER AND UP TRIM SYSTEM. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.