As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAVY CK COE/MAJOR REPAIR / LEVEL 2 CORROSION: LT CREASE BEAM BETWEEN FRAME 39 & 40 FOUND TO HAVE LEVEL 2 CORROSION. (LENGTH 9", WIDTH 2.5", DEPTH .012"). BLENDED CORROSION ON LT CREASE BEAM OUTER CHORD BETWEEN FR 39 - 40. WAITING FOR REPAIR INSTRUCTIONS FROM ATR.