As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ROUTINE C-CHECK AND CORROSION PREVENTION AND CORROSION CONTROL INSPECTION, LEVEL 2 CORROSION WAS FOUND BETWEEN FS 980 AND FS 1060, LONGERON 31 LEFT. THE LONGERON WAS REMOVED AND REPLACED IAW AIRCRAFT SRM. CORROSION DAMAGE WAS CONFINED TO THE LONGERON. (X)