As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) OIL WAS OBSERVED ON THE ENGINE GEARCASE. AFTER CLEANING AND INSPECTION, A CRACK WAS FOUND AT A STUD HOLE. THE SUBMITTER STATES THAT A ZERO TIME ENGINE WAS ALSO INSPECTED AND A HAIRLINE CRACK WAS FOUND ON THAT ENGINE. BOTH ENGINES ARE BEING RETURNED TO THE OVERHAUL SHOP FOR REPLACEMENT.