As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE OIL IS SHOWING SIGNS OF FOAMING. OBTAINED OIL SAMPLE PER MM 12-13-11. DRAINED AND REFILLED NR 1 ENGINE OIL TANK REF MM 12-13-11. REPLACED NR 1 SCAVENGE FILTER PER MM 79-21-06 AND NR 1 MAIN OIL FILTER PER MM 79-21-03. RAN ENGINE. NO LEAKS NOTED.