As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOFEATHER ARM LIGHT ILLUMINATED IN FLIGHT. ARM STAYS ILLUMINATED UNTIL BELOW 60 PERCENT TORQUE. NR 2 DOES NOT TEST. DUE TO AUTOFEATHER ARM LIGHT ILLUMINATED WITH AUTOFEATHER SELECTED. DEACTIVATED AUTOFEATHER SYS BY PULLING RELAYS 6121-K1 AND 6121-K2 FOR FERRY PURPOSE.