As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALO - AFTER START LEFT ENGINE REMAINED IN FEATHER UNTIL AUTOFEATHER SWITCHED OFF. CYCLING AUTOFEATHER SWITCH CAUSES EACH PROP TO FEATHER ALTERNATELY. SMOKE FROM LEFT SIDE PANEL. MAINTENANCE REMOVED AND REPLACED RIGHT TORQUE SIGNAL CONDITION UNIT. NO SMOKE OR DAMAGE NOTED. (M)