As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED LT ENGINE POWER LOSS ENROUTE. ENGINE WAS SECURED AND PROPELLER FEATHERED. CREW ELECTED TO DIVERT TO HYA WHERE AN EMERGENCY WAS DECLARED. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND 3 INCH DIAMETER HOLE IN RIGHT CRANKCASE HALF. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE. MAINTENACE ALSO REMOVED AND REPLACED THE LEFT PROPELLER AS A PRECAUTIONARY MEASURE FOR POSSIBLE OIL CONTAMINATION.