As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 ENGINE OIL LOSS IN FLIGHT, CREW FOLLOW THE ABNORMAL PROCEDURE TO MAKE A IFSD BEFORE LANDING. GROUND CHECK FOUND OIL EXTERNAL LEAKING FROM MGB MCD AND THE PROBE WAS NOT INSTALLED PROPERLY. MAIN GEARBOX MCD PACKING REPLACED. RE-SERVICE OIL SYSTEM TO NORMAL LEVEL. ENGINE IDLE RUN TEST NORMAL. REFER TO EAR FOR FURTHER INFORMATION AND PREVENTIVE ACTION.