As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE OIL QUANTITY DECREASED FROM 4 AND THREE-QUARTERS GALLONS TO 1 AND ONE-HALF GALLONS EN ROUTE TO PDX. DIVERTED TO BOI. FOUND LOOSE LINE BETWEEN LUBE UNIT AND REAR SCAVENGE. RETORQUED LINE. LEAK CHECKED GOOD AT ALL POWER SETTINGS. (M)