As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED OIL PRESSURE FLUCTUATIONS ON THE NR 1 ENGINE DURING FLIGHT. PILOT SHUTDOWN ENGINE AND CARRIED OUT A SINGLE ENGINE PRECAUTIONARY LANDING. POST FLIGHT INSP REVEALED A CRACK ON THE AGB HSG AND OIL LOSS ON THE NR1 ENGINE. ENGINE IS BEING REPLACED. MFG WILL CONTINUE INVESTIGATING THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED.