As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 1705 -DIV- ATL-ANC DIVERTED TO MSP DUE TO RIGHT ENGINE OIL QUANTITY WENT TO 0 WITH PRESSURE SLOWLY DECREASING TO 27PSI. CORRECTIVE ACTIONS: FOUND LEAK FROM MANIFOLD GOING INTO THE OIL PRESSURE TRANSMITTER. REPLACED SCAVENGE OIL FILTER, MANIFOLD LINE AND B-NUT FITTING ON THE TRANSMITTER. SYSTEM OPERATION IS NORMAL.