What was found
AIR TURNBACK TO DEPARTURE DUE TO THE APU FAULT DURING APU VERIFICATION FLIGHT. REPLACED ECB AND APU OIL COOLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK TO DEPARTURE DUE TO THE APU FAULT DURING APU VERIFICATION FLIGHT. REPLACED ECB AND APU OIL COOLER.