What was found
MCN - MAJOR REPAIR - C18 C-CHECK, LEVEL 2 CORROSION ON THE R1 DOOR THRESHOLD INNER CHORD, BS 277 - BS360, S17R, WL 208 IAW B737-300 SRM 51-40-02.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - MAJOR REPAIR - C18 C-CHECK, LEVEL 2 CORROSION ON THE R1 DOOR THRESHOLD INNER CHORD, BS 277 - BS360, S17R, WL 208 IAW B737-300 SRM 51-40-02.