As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HFEC INSPECTION OF FASTENERS ON HEAT DAMAGED AREA ABOVE APU EXHAUST, FOUND HEAVY CORROSION BETWEEN AND UNDER EMPENNAGE FAIRING. REMOVED CORROSION IAW SRM 51-21-01. ACCOMPLISHED INTERNAL DVI IAW EO MD11-5330-52665A. NO STRUCTURAL DEFECTS OR FASTENER DAMAGE NOTED AT THIS TIME. MAJOR REPAIR.