What was found
AFT MAIN CABIN RT FLOORBEAM, PN 170-65669-004, HAS CORROSION AT SEVERAL AREAS BETWEEN FRAME 86 - 89, Y=260.4. X=4011-5064 Y=260.4. R & R RT AFT CABIN FLOORBEAM IAW SRM 51-41-01 & 51-43-01 ON WO 19422531B9 IAW EO E175-53MR-094 REV 4 WO 645757.