What was found
SJO - DURING C-CHECK, HFEC SKIN CRACK INDICATION ON UPPER ROW OF RIVETS BETWEEN BS 939 AND BS 946 AT STRINGER 20L. REPAIRED SKIN FROM BS 923 TO BS 950 AND FROM STRINGER 19L TO 21L IAW SRM 53-30-3 FIG 13 DETAIL III. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SJO - DURING C-CHECK, HFEC SKIN CRACK INDICATION ON UPPER ROW OF RIVETS BETWEEN BS 939 AND BS 946 AT STRINGER 20L. REPAIRED SKIN FROM BS 923 TO BS 950 AND FROM STRINGER 19L TO 21L IAW SRM 53-30-3 FIG 13 DETAIL III. (M)