As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED DURING FLIGHT THE NR 1 ENGINE OIL PRESS FLUCTUATED & STARTED DROPPING BELOW 100 PSI. THE CREW DIVERTED. MECHANIC REPORTED THAT HE PULLED THE OIL FILTER & WHEN HE PLACED THE OIL FILTER INTO SOME CLEANING FLUID, THE CLEAR FLUID WENT BLACK. HE ALSO STATED HE SAW SOME METAL BUT HAS NOT TESTED.