What was found
AFT MDCC SEAT TRACK NR3 (-Y953) HAS CORROSION AT 7.5 INCH FWD OF FRAME FR 55/58 TO 10.5 INCH AFT OF FR 55/58 ABOUT 72 SQ IN. REMOVED CORROSION FROM SEAT TRACK SEC 55/58 IAW SRM 51-74-10, PAGE 210. CHECKED LIMITS. FOUND TO BE OUT OF LIMITS IAW SRM 53-10-16, PAGE 103. R & R SEAT TRACK SECTION IAW SRM 53-10-16, PAGE 103.