What was found
C-CHECK, MAIN CABIN FS 503C AT END OF STR 16R HAS CRACKED FASTENER. REPAIRED CRACKED STRINGER IAW 53-30-03 PG 201. MATERIAL USED STRINGER BAC 1498-139, ANGLE 7075 T6 X .040, CHANNEL 7075 T6 X .040, AND SHIM 7075 T6 X .050, REMOVED AND INSTALLED PARTS IAW 737 SRM 51-70-02.