As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOI- NR 1 ENGINE INDICATED OIL PRESSURE WAS BELOW 40 PSI. PERFORMED INFLIGHT SHUTDOWN OF NR 1 ENGINE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED NR 1 ENGINE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. AWAITING TEARDOWN RESULTS OF ENGINE.