As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PROPELLER FAILS TO UNFEATHER WITH THE FEATHERING PUMP. REMOVED CONNECTOR P30 FROM THE PCU AND CHECKED CONTINUITY BETWEEN PINS A & B, WAS 49.9 OHMS. REINSTALLED CONNECTOR WITH HEAT SHRINK. PERFORMED OPS CHECK WITH MAINTENANCE 671006. CHECKS GOOD WITH NO DEFECTS.