As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMANDED AUTOFEATHER WITH REDUCED POWER ON FINAL APPROACH, ACCOMPLISHED AUTO FEATHER FUNCTIONAL TEST, FOUND BOTH ENGINE HIGH PRESSURE SWITCHES OPERATED PROPERLY UPON PRESSURE DECREASING AT 580 FT LBS AND 585 FT LBS. BOTH ENGINE LOW PRESSURE SWITCHES OPERATED PROPERLY UPON PRESSURE DECREASING AT 420 FT LBS AND 395 FT LBS , SYS CHECKED GOOD.