As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RNO - VIBRATION AND POWER LOSS REPORTED FROM LEFT ENGINE WHEN PROPELLER WAS BROUGHT OUT OF FEATHER AFTER LANDING. MAINTENANCE REMOVED AND REPLACED LT ENGINE ASSEMBLY. AIRCRAFT RETURNED TO SERVICE. SUBSEQUENT INVESTIGATION REVEALED PT-1 DISK BLADE FAILURE TO BE CAUSE OF ENGINE VIBRATION AND LOSS OF POWER. (X)