As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 3 ENG OIL QTY WENT TO ZERO IN FLIGHT, VERIFIED BY LOSS OF OIL PRESS & LOW OIL PRESS LIGHT. TROUBLESHOT DOWN TO NR 3 ENGINE OIL LUBE AND SCAVENGE PUMP ASSY. R & R PUMP ASSY IAW MM 79-20-04, SERVICED 25 QTS OF OIL IN ENGINE LEAK CKS AND OPS CKS GOOD.