What was found
DURING A C-CHECK IN MCN, THE LEFT SIDE WALL SEAT TRACKS, FROM FS 349 TO FS 985, WERE FOUND TO BE CORRODED BEYOND LIMITS. MAINTENANCE REMOVED CORROSION FROM THE LEFT SIDE WALL SEAT TRACKS, FROM FS 349 TO 985, IAW BOMBARDIER REO 670-53-00-013. REMOVED AND REPLACED THE LEFT SIDE WALL SEAT TRACKS FROM FS 784 THROUGH FS 861 IAW BOMBARDIER REO 670-53-00-013. (M)