What was found
INSPECTION TYPE:C1 MAIN CABIN SEAT TRACK PLUGS HAVE CORROSION AT STA.420 AND RBL 25. REMOVED CORROSION AND FOUND SEAT TRACK OUT OF LIMITS. REMOVED DAMAGED SEAT TRACK,FABRICATED AND REPLACED. IAW SRM 53-02-03-0, 53-2-3 FIG 12 , 51-3-0, AND 53-21-01.