As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INLET AFT BUTTJOINT BS 1825 BETWEEN STRINGERS 3R-6R HAD CORROSION. REMOVED CORROSION ON APU INLET AFT BUTTJOINT IAW SRM 51-10-02. ORIG MAT .100 REM .020 LOSS .080, FOUND OUT OF LIMITS IAW SRM 53-00-01-1A. REPAIRED AREA IAW SRM 53-80-15-2R, REP 1.