As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU EXHAUST TAIL CONE HAS CORROSION AT ZONE 331. REMOVED THE CORROSION AND POLISHED IAW SRM 51-10-01. ACCOMPLISHED EDDY CURRENT INSPECTION OF MULTIPLE AREAS ON THE APU TAILCONE AFTER BLENDING IAW NDI MANUAL PART 6-20-00-02. NO DEFECTS NOTED.