What was found
FORWARD CABIN SEAT TRACK LBL 19, BS 455 WAS FOUND WITH CORROSION ON THE FLANGE. THE CORROSION WAS FOUND TO EXCEED LIMITS IAW SRM 53-00-52-1A, FIGURE 101, ALLOWABLE DAMAGE 1. THE SEAT TRACK WAS REMOVED AND REPLACED IAW SRM 51-31-01-0G, DRAWING SP11530031 REVISION NEW. THE REPAIR WAS CLASSIFIED AS MAJOR IAW GMM 6-2-100 .