What was found
SJO - DURNG C-CHECK, FUSELAGE FRAME UPPER FLANGE CRACKED IN FORWARD CARGO COMPRTMENT AT BS 500A, AT STRINGER 20R AND 21R, CRACK SIZE 14 INCH BY 4 INCH. REPAIRED CRACK IAW SRM 53-10-4 FIG 1. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SJO - DURNG C-CHECK, FUSELAGE FRAME UPPER FLANGE CRACKED IN FORWARD CARGO COMPRTMENT AT BS 500A, AT STRINGER 20R AND 21R, CRACK SIZE 14 INCH BY 4 INCH. REPAIRED CRACK IAW SRM 53-10-4 FIG 1. (M)