What was found
AREA BELOW MAIN CABIN FLOOR ,SUPPORT STRUCTURE, UPPER DOOR SILL WEB IS CORRODED ON THE UPPER SURFACE AT STA 1440, APPROX RBL 65 CUT-OUT CORRODED SECTION OF WEB AND REPAIRED IAW B757 53-60-15-2R AND B757 SRM 51-70-13-0G AND BAC DWG# 146N8516 REV L