What was found
(FOTR) BETWEEN STR 27R-28R, BS 720 SHEAR TIE CORRODED. CUT OUT DAMAGED AREA AT SHEAR TIE STA 720, STR 27R - 28R 5.5" X 1" IAW SRM 53-10-4, FIG 15 FAB REPAIR SHEAR TIE FROM 7075-T6 .063" PO 90010179 DIM 6" X 2" LOCATED & DRILLED AT STA 720 BETWEEN STR 27R-28R, PART TREATED & PRIMED IAW SRM 53-10-4 FIG 15, 53-10-2, 51-30-5, 51-30-6, 51-10-2. PERFORMED VISUAL 10X INSP OF COUNTERSINK HOLES AT FUSELAGE ATTACMENT IAW SRM 53-10-4, FIG 15, STEP 2. NO CRACKS NOTED. PART INSTALLED ON FRAME 720 STR 27R-28R IAW SRM 53-10-4 FIG. 51, 51-30-2.