What was found
SEAT TRACK BETWEEN FRAME 40 AND 47 AT -Y450 IS CORRODED AT LOCATIONS: FR40.1+16", FR41+0", FR41+12", FR46+8". CORROSION REMOVED IAW SRM 51-74-00 REV 98. DAMAGE DIMENSION: FR40.1 + 16", FR41 + 0", FR41 + 12" AND FR46 + 8. LOCATED ON SEAT TRACK INNER VERTICAL AREA. UNABLE TO SUFFICIENTLY REMOVE CORROSION AND ESTABLISH REMAINING THICKNESS DUE TO INACCESSIBILITY. DEEMED TO BE OUTSIDE OF SRM 53-31-15 REV 98 LIMITS. CONFIRMED AS LEVEL 2 CORROSION, PART REPLACEMENT REQUIRED. SEAT TRACK REPLACED AS PER SRM 51-72-11 REV 98 AND DRAWING F5711243620100.