What was found
DURING INSPECTION, AFT CABIN UTILITY AREA FLOORBEAM AT FR 66, Y1292 UPPER FLANGE HAS CORROSION AND ELONGATED HOLE. REMOVED CORROSION IAW SRM 51-74-00. CHECKED LIMITS L=1.9" W=1.3" D=0.020" FOUND TO BE OUT OF LIMITS IAW SRM 53-00-14, FIG 102. REPLACED FLOORBEAM IAW SRM 51-42-11.