As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENGINE OIL PRESSURE WARNING MESSAGE CAME ON AT FL360. PRESSURE NEVER STABILIZED REGARDLESS OF ALTITUDE. OIL PRESSURE FLUCTUATED BETWEEN 28 AND 37 PSI. FLUCTUATION DECREASED WITH ENGINE AT IDLE. CREW SHUTDOWN RT ENGINE INTENTIONALLY. LUBE AND SCAVENGE PUMP ASSY REPLACED, AIRCRAFT RETURNED TO SERVICE.