As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - Q-CHECK ITEM. VERTICAL PRESSURE WEB CORRODED AT WING CENTER SECTION AT BS 663. REPLACED WING CENTER SECTION SPAR VERTICAL PRESSURE WEB RIGHT SIDE ONLY BS 663, RBL 24.98 AND RBL 45.64 PER BOEING SB 737-57-10-95, REV 6 DATED 4-27-89, FIG 2. SEE COOPESA W.O. M1-0005-1-115, VAM 100 NR 521. (X)