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 SUPPORT STRAP FROM BS 287 - BS 296.6 RBL 53 WL 209 WITH CORROSION OUT OF LIMITS. L = 3.00 INCHES. W = 1.50 INCHES. D = 0.040 INCH. REPLACED THE CABIN FLOOR SUPPORT STRAP FROM BS 287 - BS 296.6 RBL 53 WL 209 IAW BOEING SRM 51-10-1 PAGE 8. (X)