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 HIGHER THAN EXPECTED GROUNDED. C/W FIM TASK 49-95-00-810-801. FOUND APU TO BE LEAKING FROM AFT DRAIN. FOUND OIL COOLER LEAKING ON SHUTDOWN. REPLACED THE APU OIL COOLER, REF AMM 49-91-41/401. NO LEAKS NOTED DURING APU OPERATION.