As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN CRUISE FLT AT FL 340, NOTICED OIL PRESSURE ON RT ENGINE DROP INTO YELLOW. IT CONTINUED TO DROP 1 PSI EVERY 2 TO 4 MINUTES AND EVENTUALLY ENDED UP IN THE RED AT 17 PSI BEFORE SHUTTING ENGINE DOWN ON THE GROUND. OIL TEMP WAS 67 DEGREES C, OIL QUANTITY WAS 1 QT LOW AFTER SHUTTING DOWN. RED (OIL 2) WARNING LIGHT ILLUMINATED. FOUND CHIP DETECTOR HOUSING O-RINGS CUT AND HOUSING SLEAVE PIN BROKEN.