As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT PILOT FELT LIQUID ON HIS LEFT FOOT. HE LOOKED AT HIS FOOT AND FOUND IT COVERED WITH ENGINE OIL. HE SHUT DOWN THE ENGINE AND DISCOVERED SOURCE OF OIL TO BE THE HOBB'S TRANSDUCER. ABOUT THREE-FOURTHS OF A QUART OF OIL WAS SPILLED ON PILOT'S FOOT IN CABIN.