What was found
AFT CABIN FLOOR, RT FLOORBEAM, P/N 170-65669-004, HAS CORROSION AROUND FASTENERS AND AN AREA APPROXIMATELY 40MM X 10MM FROM FRAME 86-89, X=21263 TO 22680, Y=273. REMOVED AND REPLACED AFT CABIN RT FLOORBEAM IAW SRM 51-41-01 & 51-43-01 PER EO E175-53MR-094 REV 5.