As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW EXPERIENCED LEFT ENGINE UNCOMMANDED AUTOFEATHER ON APPROACH TO DESTINATION. CREW DEACTIVATED SYSTEM. ACFT LANDED SAFELY. ADJUSTED LT & RT POWER LEVER CAM SWITCHES AND PERFORMED AUTOFEATHER HIGH & LOW PRESSURE SWITCH FUNCTIONAL TEST IAW AMM, OPS CHECKED NORMAL, NO FAULTS FOUND.