As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON HAS CORROSION AROUND VERTICAL FRAME ON INNER SKIN FWD AND AFT OF ACCESS HOLE PANEL 433HR. FOUND EXCEEDED SRM DAMAGE LIMITS. REMOVED AND REPLACED PYLON SKIN IAW SRM 51-40-02 REV 96. REPAIR IS CLASSIFIED AS MAJOR IAW GMM 6-2-100 CRITERIA.