What was found
DURING C-CHECK, FOUND AT MAIN CABIN FORWARD STATION 720B, STRINGER 15L IS CRACKED. CUT OUT CRACK FROM STRINGER 15L, IAW SRM 53-10-3 FIG 5, FABRICATED REPAIR PARTS ONE CHANNEL .040 7075-T6 DIM 4.7 INCH BY 3.2 INCH, TWO FILLRES .100 7075-T6 4.7 BY 8 IAW SRM 53-10-3 FIG 5, INSTALLED PARTS IAW SRM 51-10-3 FIG 5. (M)