As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT DIVERTED TO YOW DUE LOW OIL QUANTITY IN NR 2 ENGINE. NO EMERGENCY WAS DECLARED, LANDED WITHOUT INCIDENT. MAINTENANCE FOUND FITTING (ON GEARBOX) FOR DIFFERENTIAL PRESSURE SWITCH LEAKING.INSERT AND JAMB NUT REPLACED, LEAK CHECKED OK.