As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BETWEEN 75 AND 100 MILES FROM OMA, NUMBER 2 ENGINE OIL PRESSURE DROPPED TO 20 PSI, ALL OTHER INDICATIONS READ NORMAL. PERFORMED ENGINE SHUTDOWN CHECKLIST, AIRCRAFT MADE AN UNEVENTFUL LANDING AT OMA. REMOVED AND REPLACED OIL PRESSURE TRANSMITTER PER BOEING MM.