As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT FL 450, RED MASTER WARNING LIGHT ILLUMINATED, WITH LEFT OIL PRESSURE LOW MESSAGE. DIGITAL OIL PRESSURE WAS RED 24. FOLLOWED QRH AND SHUT ENGINE DOWN. NO OTHER INDICATIONS WERE NOTICED DURING THE DESCENT AND LANDING. TROUBLESHOT ENGINE FOR LOW OIL PRESSURE CONDITION. FOUND OIL PUMP TO BE DEFECTIVE. REMOVED AND REPLACED THE LT & RT OIL FILTERS. COMPLIED WITH SIL ON LH/RH ENGINES, ALL MAINTENANCE WAS PERFORMED IAW 72-05-22 AND AMM.