What was found
AFT CARGO RT FRAME AT STATION 1200, INNER CHORD, TOP SURFACES HAS CORROSIONS, FROM STRINGER 28R - 26R. REMOVED CORROSION IAW SRM 51-10-02. ORIGINAL MATERIAL THICKNESS IS 0.080", AFTER BLEND OUT, NO MATERIAL REMAINING. OUT OF LIMITS IAW SRM 53-00-07-1A FIG 101 DET II. R & R FRAME STATION 1200, BETWEEN STRINGER 24L & 24R IAW SRM 51-40-02 & DWG 146N1001. CATEGORY A REPAIR, MAJOR REPAIR.