As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, CREW REPORTED SEVERE VIBRATION FROM THE LEFT PROPELLER ALONG WITH TORQUE FLUCTUATIONS. DURING INSPECTION OF LEFT PROPELLER, FOUND ONE BLADE WITH ITS LEADING EDGE NICKEL SHEATH MISSING. BLADE WAS REMOVED AND REPLACED WITH SATISFACTORY RESULTS AFTER RUN-UP.