As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK, LOWER FUSELAGE, FORWARD CARGO COMPARTMENT BS 500, STRINGER 26 RIGHT FRAME WITH CRACK. REPAIRED FUSELAGE FRAME SECTION AT BS 500, BETWEEN STRINGER 24 AND 28 RIGHT DUE TO CRACK IAW COOPESA EO NR COO-3-53-523-01. THIS REPAIR HAS BEEN APPROVED AS AN ALTERNATIVE METHOD OF COMPLIANCE (AMOC) TO PARAGRAPH (A.1.B) OF AD 89-11-00 R1. (M)