As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEVELOPED OIL LEAK FROM LT ENGINE DURING RETURN FLIGHT. OIL TEMP WAS HOLDING, BUT OIL PRESSURE HAD STARTED TO DECAY. PILOT SHUT ENGINE DOWN AND FEATHERED AS A PRECAUTIONARY MEASURE. FOUND PIN HOLE IN TURBOCHARGER OIL SUPPLY LINE AND REPLACED WITH NEW ON 1/21/03. REMOVED OIL FILTER AND CHECKED FOR METAL CONTAMINATION, NONE FOUND.