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 FORWARD COMPARTMENT FUSELAGE FRAME AT BS 460 BETWEEN STA 21 - STA 23L WITH CRACK. L = 0.570 INCH. W = 0.050 INCH. REPAIRED THE FORWARD CARGO COMPARTMENT FUSELAGE FRAME AT BS 460 BETWEEN STA 21 - STA 23L IAW BOEING SRM 53-10-4 FIG 1. (X)