As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT ENGINE SHUTDOWN AT 41K FEET. PILOT NOTICED LEFT ENGINE OIL PRESSURE DROPPED INTO YELLOW AND RED. COMPLIED WITH MANUAL REQUIREMENTS AND SHUTDOWN ENGINE AND LANDED. REPLACED THE LT ENGINE OIL PUMP AND ACFT APPROVED FOR RETURNED TO SERVICE.