What was found
C-CHECK, STRINGER ENDS CRACKED AT FS 500C +4 STR 16L AND 16R. REMOVED DAMAGED PART IAW 737 SRM 51-40-02, FABRICATED REPLACEMENT PARTS IAW 737 SRM 53-00-03 FIG 201, TREATED AND PRIMED AND INSTALLED PARTS IAW 737 SRM 51-10-02 AND 51-40-02.