What was found
DURING INSPECTION, FOUND FORWARD CABIN SEAT TRACK BETWEEN FR 20 TO FR 21 Y-765 UPPER CROWN HAS CORROSION. REMOVED CORROSION IAW SRM 51-74-00. BLENDED AREA MEASURES L=3.330"W=.380"D=.037"ORG MAT .125". FOUND TO BE OUT OF LIMITS IAW SRM 53-00-15, FIG 101. R & R FLOORBEAM Y-765 FROM FR 12-24 IAW SRM 51-42-11.