As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE OIL LEAK. FOUND INBOARD OIL PRESSURE SCAVENGE LINE LEAKING AT O-RINGS. REPLACED THE O-RINGS, RAN ENGINE FOUND OIL LEAKING AT COUPLING. INSTALLED NEW COUPLING. INSTALLED IAW MM 79-20-01. SERVICED ENGINE WITH 5 QTS OF OIL. RAN ENGINE AND LEAK CHECKED WITH SATISFACTORY RESULTS.