What was found
BFM - MAJOR REPAIR - C4 CHECK - CORROSION ON CABIN SEAT TRACK, BS 347, LBL 54.75, WL 200. REPLACED CABIN SEAT TRACK, BS 347, LBL 54.75, WL 200 IAW B767 SRM 53-10-52 AND 51-40-02. UPON FURTHER EVALUATION THIS DISCEPANCY SHOULD BE DOCUMENTED AS LEVEL 2 CORROSION.