What was found
CORROSION AT MDCC SEAT TRACK 4L BETWEEN FR 54.3 AND FR 58 , DEFECT MEASURES 4 SQ INCHES OF CORROSION. REMOVED CORROSION IAW SRM 51-74-10 PAGE 205 , CHECKED FOUND TO BE OUT OF LIMITS IAW SRM 53-10-16, FIG 101 . R & R SEAT TRACK 4L BETWEEN FR 54.3 AND FR 58 IAW SRM 51-72-10, PAGE 1 TO 3.