What was found
DURING C-CHECK, UPPER CABIN RT SIDE BETWEEN STR 16R AND 17R FRAME IS DENTED AT BS 520. CUT OUT DAMAGE AREA DIM 1 X .75 INCH IAW B727 SRM 51-40-3 FIG 1, FABRICATED DOUBLER REPAIR FROM MAT 7075-T6 .063 PO 900166 DIM 9 X 3.75 INCH IAW B727 SRM 51-40-3 FIG 1, TREATED AND PRIMED IAW B727 SRM 51-10-2, INSTALLED DOUBLER REPAIR UPPER CABIN RT STA 520 BETWEEN STRINGER 16R AND 17R IAW B727 SRM 51-40-3 FIG 1.