As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC NR 3 PUMP FAIL CAUTION AND RESERVOIR LOW DUE TO HYDRAULIC FLUID DUMPING OVERBOARD FROM APU DRAIN THROUGH FAILED APU STARTER SEAL. REPLACED APU HYDRAULIC STARTER FOR FAILED SEAL AND NR 3 HYDRAULIC PUMP DUE TO CAVITATING. ACFT RAN AND ALL SYSTEMS CHECKED GOOD.