As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED MAINTENANCE AT COOPESA FACILITY IN SAN JOSE, COSTA RICA (SJO), THE FUSELAGE SKIN BETWEEN STA 827 AND STA 847 AND BETWEEN STGR-1 AND STGR-2L UNDER THE ELT ANTENNA WAS FOUND WITH OIL CANNING AND CRACK DAMAGE. THE DAMAGE WAS REPAIRED PER ENGINEERING AUTHORIZATION Nº 69-2020-270_P1 UNDER JOB: A1J170 NRI 2-28.