What was found
CLT - DURING C-4 CHECK, FOUND AFT END OF SEAT TRACK CORRODED 100 INCHES AT RBL 24.5 BETWEEN STATION 1540 AND STATION 1640, CORROSION LEVEL 2. REPLACED SEAT TRACK BETWEEN STATION 1540 AND 1640 PER SRM 51-10-00 AND BOEING DRAWING NR 146N210. (M)