What was found
SJO - DURING C-CHECK, INNER FRAME CRACKED, LENGTH .375, AT BS 500B BETWEEN STRINGER 20R AND 22R. REPAIRED FRAME AT BS 500B FROM STRINGER 20R TO 26R 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 - DURING C-CHECK, INNER FRAME CRACKED, LENGTH .375, AT BS 500B BETWEEN STRINGER 20R AND 22R. REPAIRED FRAME AT BS 500B FROM STRINGER 20R TO 26R IAW SRM 53-10-4 FIG 1. (M)