As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HORIZONTAL LEADING EDGE INBOARD SECTION ALC7051-1-401 HAS EXTENSIVE CORROSION. INSIDE AND OUTSIDE SKIN IS SWOLLEN AROUND FASTENERS, MARKED NR 15 AND NR 16. FOUND CORROSION TO BE ON ACCESS PANEL DOUBLER P/N ALC7273-13. REPLACED DOUBLER AND INSTALLED NEW FASTENERS, REF SRM 51-31-01 VOL II DAC DRAWING ALC7273.