What was found
MCN - C4 - MAJOR REPAIR - CRACK ON VERTICAL STIFFENER AT BS 1320, LBL 45.50. REPLACED VERTICAL STIFFENER AT BS 1320, LBL 45.50 IAW B757-200 SRM 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - C4 - MAJOR REPAIR - CRACK ON VERTICAL STIFFENER AT BS 1320, LBL 45.50. REPLACED VERTICAL STIFFENER AT BS 1320, LBL 45.50 IAW B757-200 SRM 51-40-02.