What was found
AFT CARGO COMPARTMENT STA 767 TO 887; LBL 20 TO RBL 20; WL 157 FLOOR PANEL 140CF HAS CORROSION ALONG EDGES. / EVALUATED CORROSION ON AAFT CARGO COMPARTMENT FLOOR PANEL 140CF STA 767 TO 887; LBL 20 TO RBL 20; WL 157 - FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-1; REPLACED WITH NEW FLOOR PANEL 140CF P/N 453A2610-2 IAW BOEING P/L 453A2610 REV K AND BOEING DWG 453A2610 REV E INSTALLED ON JPANEL-141-CLOSE CARD ATATG WN 1467