As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENG WAS SHUT DOWN DURING CRUISE DUE TO ZERO OIL QTY AND LOW OIL PRESSURE. OCCURRED AT FL 200 WHEN WE LEVELED OFF. FOUND BUSHING/HELICOIL PULLED OUT OF GEARBOX AT LP6 DRAIN TUBE ABOVE OIL FILTER. REPLACED SAME, RAN ENGINE PER PFHB CKS GOOD.