What was found
FLOORBEAM AT FR47 BETWEEN SEAT TRACKS NR1-2L UP SIDE CORRODED AT BOTH ENDS REF AMM 53-10-15-06, ZONE 240. REMOVED CORROSION ON FLOORBEAM IAW SRM 51-74-10. FLOORBEAM IS FOUND TO BE OUT OF LIMITS DUE TO MORE THAN 50 PERCENT MATERIAL LOSS. MATERIAL THICKNESS IS 0.078, REMOVED 0.045, REMAINING 0.033. REMOVED AND REPLACED FLOORBEAM IAW SRM 51-40-21. REPROTECTED IAW SRM 51-21-10.