As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING Q-CHECK, FOUND THE CABIN FLOOR WEB FROM BS 1016 TO BS 1028 RBL 5 TO LBL 5 WL 208 WITH CRACK. L = 0.500 INCH. W = 0.005 INCH. REPAIRED THE CABIN FLOOR WEB FROM BS 1016 TO BS 1028 RBL 5 TO LBL 5 WL 208 IAW BOEING SRM 51-40-2 FIG 1. (X)