As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU HAS A HISTORY OF OIL SERVICING CURRENT OIL CONSUMPTION IS STILL WITHIN LIMITS AT .14 QPH. PERFORMED "APU OIL CONSUMPTION HIGH FAULT ISOLATION" REF FIM 49 95 00 810 801. INSPECTED TURBINE SUPPORT AREA FOUND NO OIL LEAKAGE EVIDENT AT TURBINE SUPORT AREA OR APU MIDDLE DRAIN SEAL. FOUND EVIDENCE OF OIL LEAKING FROM OIL COOLER. REPLACED APU OIL COOLER REF AMM 49 91 41. APU OPS AND LEAK CHECK GOOD.