As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 PYLON NAC STRUT STRUCTURE INBD ACCESS HOLE CUT-OUT INNER EDGES SKIN FOR PANEL NR 433LR AT PPSTA.181.0 FOUND WITH CORROSION. CORRODED SKIN PANEL R & R IAW DWG 311N5002, SHT 14, REV E WITH ALTERNATE SKIN IAW EA F-5410-155964. REPAIR IS MAJOR.