What was found
(CAN) ALL ENGINE CYLINDERS WERE REPLACED DUE TO WEAR. THE ENGINE WAS EXPERIENCING HIGH OIL CONSUMPTION. THE SUBMITTER STATES THIS IS THE SECOND TIME THE CYLINDERS HAVE HAD TO BE REPLACED IN 1,025 HOURS AND SUGGESTS THAT THE USE OF 15W50, ALONG WITH THE SHORT DURATIONS OF FLIGHTS (5 MINUTES), AS A CONTRIBUTING FACTOR.