As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR1 PYLON AT STA 144-170 SKIN HAS CORROSION. REMOVED CORROSION ON NR 1 PYLON SKIN STA 144-170 IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 54-50-01 FIG 101 DETAIL III. ORIG MATERIAL .090 EXFOLIATED BEYOND LIMITS. L=12" W=3". REMOVED AND REPLACED SKIN IAW SRM 51-40-02 AND DWG 311N5002 SHEET 13. CLASSIFIED CATEGORY "A" MAJOR REPAIR