As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING TSR FOR APU FREQUENT SERVICING FOUND A OIL LEAK NEAR THE AFT FITTING ON THE TURBINE SCAVENGE LINE. REF W/O 450930. GROUNDED - YES. REF FIM TASK 49-95 TASK 801 AND FOUND OIL COOLER LEAKING OIL COOLER REMOVED AND REPLACED OIL COOLER REF AMM 49-91-41 OPS CHECK GOOD.