What was found
MCN - MAJOR REPAIR - C-12 CHECK - NR 5978998, CORROSION ON AFT CARGO COMPARTMENT DOOR THRESHOLD "T" CAP, BS 1380 - BS 1440, RBL 22, S27R, WL 156.80. REPLACED AFT CARGO COMPARTMENT DOOR THRESHOLD "T" CAP, BS 1380 - BS 1440, RBL 22, S27R, WL 156.80 IAW 757-200 SRM 51-40-02.