As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING C-CHECK, THE FUSELAGE BETWEEN BS 986 AND BS 1016, STRINGER 23L WAS FOUND WITH SEVERAL SMALL CRACKS. REPAIRED FUSELAGE STRINGER 23 LEFT BETWEEN BS 970 AND BS 1016 DUE TO CRACKS PER SRM 53-10-3, FIGURE 1. FABRICATED STRINGER AND SPLICE PER SRM 51-10-1. (M)