As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A TEST FLIGHT, 2 HOURS 39 MINUTES INTO FLIGHT, THE RIGHT ENGINE OIL QUANTITY WENT TO ZERO & OIL PRESSURE DECREASED TO 4 PSI IN THE RED BAND. SHUT THE RT ENGINE DOWN. RT ENGINE VIBRATION BITE COMPLETED. NR 2 ENGINE REPLACED IAW TC 7180260-02-02. PERFORMED A SATISFACTORY LEAK CHECK OF FUEL SYSTEM, OIL SYSTEM AND HYDRAULIC SYSTEM IAW TC 7180260-02-02. PERFORMED A SATISFACTORY ENGINE OPS CHECK IAW TC 7180260-02-02.