As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLIGHT, THE NR 1 ENGINE OIL QUANTITY BEGAN TO DECREASE. THE ENGINE WAS SHUT DOWN WHEN THE INDICATED OIL QUANTITY WAS ONE-HALF GALLON. THE FLIGHT CONTINUED TO SIN AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE ENGINE OIL SCAVENGE PUMP AND RETURNED TO SERVICE.