As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF NOSE WHEEL WELL MODIFICATION (EAM 4753027) FOUND LT AFT VERTICAL CHORD AT STA 340 CORROSION EXCEEDED LIMITS. LT UPPER CHORD FABRICATED PER BOEING DWG 65B02941, CONTROL NO: P0225289 LT UPPER CHORD REMOVED AND REPLACED PER SRM 51-30-02 REV 117.