What was found
(CAN) ON THE 12 OF MAY 0424ZULU, ACFT WAS INBD FOR LANDING WHEN THE CREW REPORTED THEY HAD AN OIL FLUCTUATION FOLLOWED SHORTLY BY A TORQUE FLUCTUATION ON THE RT ENGINE. THE RT ENGINE WAS SHUTDOWN AS A PRECAUTIONARY MEASURE AND REQUESTED ARFF VEHICLES ON STANDBY. THE AFT LANDED SAFELY. AFTER LANDING THE RT ENGINE WAS INSPECTED AND AN OIL LEAK FROM A CRACK IN THE OIL FILTER HOUSING ADAPTER WAS FOUND TO BE AT FAULT. THE ACFT IS CURRENTLY GROUNDED WHILE THE MAINTENANCE CREW RECTIFIES THE FAULT.