As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE PILOT NOTICED A GRADUALLY INCREASING ENGINE OIL PRESSURE, AND T5, ALONG WITH DECREASING OIL PRESSURE. AFTER SHUTDOWN, THE ENGINE WAS INSPECTED, AND A CRACK FOUND IN THE LOWER COMBUSTION CASE HALF. THE ENGINE WAS REMOVED FOR CASE REPLACEMENT AND TEST CELL RUN TO DETERMINE IF ALL INDICATIONS WERE A RESULT OF AIR LOSS THROUGH THE CASE CRACK. (TC NR 20060322003)