As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA FLIGHT NR 2460: AUTOFEATHER SELECT WOULD NOT REMAIN ILLUMINATED WHEN AUTOFEATHER SWITCH IS PUSHED. MAINTENANCE REMOVED AND INSTALLED SERVICABLE AUTOFEATHER SWITCH ASSY IAW STANDARD PRACTICES. PERFORMED OPS TEST OF PROP AUTOFEATHER AND UPTRIM SYSTEM IAW Q400 AMM 61-20-00-710-801. OPS TEST PASSED. AIRCRAFT RETURNED TO SERVICE.