As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) ENGINE 9TH STAGE HIGH PRESSURE COMPRESSOR DISC CONTAINED CORROSION PITTING IN THE BLADE SLOT PRESSURE FACES AND BLADE SLOTSIDES IN EXCESS OF LIMITS - FOUND DURING INSPECTION IAW PWA SB 6038 AND AD/JT8D/29 - ENGINE HAD BEEN FITTED TO A LOW UTILISATIONAIRCRAFT