What was found
(AUS) APU LOAD COMPRESSOR PLENUM AND APU BLEED CONTROL VALVE PLUMBING CONTAMINATED WITH OIL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) APU LOAD COMPRESSOR PLENUM AND APU BLEED CONTROL VALVE PLUMBING CONTAMINATED WITH OIL.