As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PUDDLE OF LIQUID UNDERNEATH APU. LIQUID APPEARS TO BE DRIPPING FROM APU. UPON INSPECTION OF APU, FOUND APU RETURN TUBE FOR THE IGV ACTUATOR AND SURGE CONTROL VALVE LEAKING . R & R PACKINGS IAW AMM 49-31-01. OPS & LEAK CHKD GOOD. NO FUEL ODORS NOTED.