As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SMOKE AND OIL SEEPING FROM # 1 ENGINE LUBRICATION PIPE OF THE REAR BEARING. INSPECTED LUBRICATION PIPE OF THE REAR BEARING IAW MM 70-40-02-801. FOUND UNION LOOSE AT LUBRICATION PIPE. TORQUED UNION IAW MM 79-29-00-900-802-A01. PERFORMED GROUND RUN, NO DEFECTS WERE NOTED. RETURNED AIRCRAFT TO SERVICE.