As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED AN OIL PRESSURE WARNING MESSAGE AT CRUISE. CREW SHUT DOWN ENGINE AND DIVERTED TO PHL. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT AND REMOVED, REPLACED, AND OPERATIONAL CHECKED THE SCAVAGE PUMP USING THE AIRCRAFT MAINTENANCE MANUALS. AIRCRAFT WAS RELEASED FOR SERVICE.