What was found
SJO - DURING C-CHECK, LOWER EXTERIOR FUSELAGE SKIN BULGED (CORROSION) FROM BS 787 TO BS 800, STRINGER 23R AND 25R. REPAIRED FUSELAGE SKIN SECTION IAW SRM 53-30-3 FIG 1. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SJO - DURING C-CHECK, LOWER EXTERIOR FUSELAGE SKIN BULGED (CORROSION) FROM BS 787 TO BS 800, STRINGER 23R AND 25R. REPAIRED FUSELAGE SKIN SECTION IAW SRM 53-30-3 FIG 1. (M)