As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING CLIMB THE CREW RECEIVED AN INDICATION OF LOW OIL PRESSURE ON THE NR 1 ENGINE AND A CCAS WARNING. THE CREW CONDUCTED AN IN-FLIGHT SHUTDOWN AND DIVERTED BACK TO DEPARTURE. THE ACFT LANDED WITHOUT INCIDENT. GROUND CREW FOUND HEAVILY CONTAMINATED TURBO MACHINE OIL FILTER. ALSO HP ROTOR WAS SEIZED. ENGINE WAS REMOVED AND SENT TO VECTOR AEROSPACE FOR INVESTIGATION AND REPAIR.