As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COE HEAVY CHECK/ LEVEL 2 CORROSION: RT CREASE BEAM WEB BETWEEN FRAMES 10 & 11 HAVE LEVEL 2 CORROSION ON LOWER SURFACE (LENGHT .75, WIDTH .6, DEPTH .007") REMOVED CORROSION FROM UPPER AND LOWER SURFACES OF CREASE BEAM WEB. FOUND WEB TO BE OUT OF LIMITS. REMOVED AND REPLACED INTERCOSTAL WEB WITH NEW PER ATR SRM.