What was found
AFT CARGO FLOOR SUPPORT RBL 7.55 BETWEEN STA 1500 TO STA 1640 NUMEROUS BROKEN SCREWS, NUT PLATES AND ATTACHING RIVETS. REMOVED CORROSION ON FLOOR SUPPORT RBL 7.55, STA. 1500 - 1640 OUT OF LIMITS IAW SRM 53-00-53, FIG 101, DETAIL V. ORIG MATERIAL .063" MAT LOST .015". REMOVED CORROSION AND CHECKED LIMITS ON WEB, OUT OF LIMITS IAW SRM 53-00-53, FIG 101, DETAIL V, ORIG MAT .032", MAT LOST .016". FABRICATED NEW FLOOR SUPPORT IAW SRM 51-40-02. MAJOR REPAIR.