What was found
OIL ODOR IN CABIN. ON ARRIVAL, NOTICED STREAM OF SMOKE COMING FROM REAR TURBINE SECTION OF APU, FOUND OIL LINE AT 11 O'CLOCK POSITION AFT LEAKING. FWD LOOSE AT FITTING, OIL DRIPPING TO TURBINE CASE. SECURED FITTING, CLEANED EXCESS OIL, RAN APU FOR 30 MINUTES, NO FURTHER LEAKS.