As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK, FOUND CORROSION AT BS 350, BETWEEN 25L AND 26L AND SKIN DELAMINATED. REPAIRED SKIN FROM BS 350 TO BS 352 AND BETWEEN 25L AND 26L IAW SRM 53-30-3, FIG 17 SHEET 6. CORROSION WITHIN LIMITS IAW SRM 51-10-6 PAGE 12. (M)