As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECTED AUTO FEATHER - PILOTS REPORTED THAT THE RT PROPELLER AUTO FEATHERED IN FLIGHT WITH CORRESPONDING ENGINE ISSUE. AUTOFEATHER INOPERATIVE. MX R&R THE RT OVERSPEED GOVERNOR IAW MM 61-20. RIGGED BOTH LOW IDLES AND CORRECTED POWER SPLIT. OPS CHECKS WERE GOOD PER MM 76-10-00. RII INSPECTION COMPLIED WITH PER TASKCARD 4.3.13.