What was found
WHILE IN FLIGHT, THE CREW OBSERVED THE OIL QUANTITY ON THE RT ENGINE DECREASING. AS THE OIL QUANTITY CONTINUED TO DECREASE, THE CREW ELECTED TO SHUT DOWN THE ENGINE AS A PRECAUTIONARY MEASURE. THE CREW DIVERTED TO ST MARTIN SMX AND MADE AN UNEVENTFUL LANDING. MX INSPECTION REVEALED A LEAK IN THE RT OIL COOLER. THE OIL COOLER WAS REPAIRED IAW MM AND THE ACFT RETURNED TO SERVICE.