As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON POST-FLIGHT INSPECTION, PILOT NOTICED OIL ON UNDER SIDE OF ENGINE COWLING AND NOTIFIED MAINTENANCE PERSONNEL. FURTHER INVESTIGATION REVEALED OIL DRIPPING FROM INDUCTION HOUSING DRAIN AND WAS DETERMINED TO BE COMING FROM THE SENSE LINE OUT OF THE DIFFERENTIAL PRESSURE CONTROLLER. (X)