As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJO - DURING Q-CHECK, FOUND THE LOWER FUSELAGE FORWARD CARGO COMPARTMENT AT BS 420 BETWEEN STR 20 - STR 21L FRAME WITH CRACK. L = 1.00 INCH. W = 0.002 INCH. REPAIRED THE LOWER FUSELAGE FORWARD CARGO COMPARMENT AT BS 420 BETWEEN STR 20 - STR 21L FRAME IAW BOEING SRM 53-10-4 FIG 1. (X)