As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) UPON SCHEDULED INSPECTION OF RT ENGINE, AN OIL LEAK WAS NOTICED NEAR THE PROP GOVERNOR ON THE ENGINE. THE LEAK WAS TRACED BACK TO A CRACK IN THE ENGINE "CRANKCASE" TSO ON ENGINE 40.0 HOURS. OVERHAULED IN FEB 2011. NO ABNORMAL EVENTS WERE REPORTED IN THE FIRST 40 HOURS.