As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX FLIGHT NR 2296: ON TAXI, 'AUTO FEATHER SELECT' DID NOT APPEAR ON ED. MAINTENANCE INTERROGATED CDS, FOUND FAULT CODE 64A FOR AUTO FEATHER SELECT BUTTON. C/W AUTO FEATHER SELECT. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.