What was found
APU AUTO SHUTDOWN AT DEPARTURE TIME. *S/D* FOUND APU DRIVEN COMPRESSOR DEWHISTLER VANE BROKEN. IMPELLER FOD. APU REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU AUTO SHUTDOWN AT DEPARTURE TIME. *S/D* FOUND APU DRIVEN COMPRESSOR DEWHISTLER VANE BROKEN. IMPELLER FOD. APU REPLACED.