What was found
(CAN) DURING MORNING CHECK, FOUND OIL IN THE ENGINE COWLING, INVESTIGATION DETERMINE TO HAVE A CRACK IN THE LOWER SECTION OF CYLINDER NR 3. THE CRACK IS LOCATED IN THE LOWER SECTION BETWEEN CYLINDER NR 3 & 5. THE CRACK IS FROM CYLINDER NR 3 DRAIN FITTING AND PROGRESS UPWARD ON THE AFT SIDE OF THE CYLINDER. THIS ENGINE WAS O/H ON MARCH 16, 2011.