What was found
CORROSION IN THE MAIN CABIN SEAT TRACK, RT FLANGE UPPER SURFACE, BETWEEN BS 1020 TO BS 1040 LBL 58. REMOVED CORR ON SEAT TRACK STA 1020 TO 1040 LBL58 IAW SRM 51-10-02 ORIG MAT .90 REM .050 LOSS .040 FOUND TO BE OUT OF LIMITS IAW SRM 53-40-52-1A. REMOVED, TRIMMED, LOCATED ,DRILLED AND INSTALLED IAW SRM 51-40-02 AND 51-40- 05 AND BOEING DWG 657N3321 REV - DIM 23"3" SEAT TRACK