As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO PIT PANEL 140CF L/H UPPER SURFACE EDGE HAS SIGNS OF CORROSION FROM AFT EDGE TO 3' FROM AFT EDGE. / AFT CARGO PIT PANEL 140CF L/H UPPER SURFACE EDGE HAS SIGNS OF CORROSION FROM AFT EDGE TO 3' FROM AFT EDGE. EVALUATED CORROSION IAW SRM 53-00-53-1A-1 FIG 102; FOUND TO BE OUT OF LIMITS. PART REPLACEMENT ACCOMPLISHED ON WORK ORDER 40506/1000/0037. P/N 453A2610-18