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 SEAT TRACK FROM BS 328 - BS 360 RBL 22.5 WL 208.5 WITH CORROSION OUT OF LIMITS. L = 3.00 INCHES. W = 2.00 INCHES. D = 0.050 INCH. REPAIRED THE CABIN SEAT TRACK FROM BS 328 - BS 360 RBL 22.5 WL 208.5 IAW BOEING SRM 53-10-5 FIG 2. (X)