What was found
CORROSION ON FLOORBEAM IN AFT CABIN BS986.5 BETWEEN RBL 0 AND RBL 24.75. REMOVED CORROSION ON FLOORBEAM IN AFT CABIN AT STA 986.5, BETWEEN RBL 0 AND RBL 24.75 IAW SRM REV 51-10-02. FLOOR STRUCTURE IDENTIFIED IAW SRM REV 116 53-60-51. REMOVED 0.027" MATERIAL FROM ORIGINAL 0.125" MATERIAL THICKNESS. MAX ALLOWABLE REMOVAL 15%(0.019"). REMAINING MATERIAL THICKNESS BEYOND ALLOWABLE LIMITS IAW SRM REV 116 53-60-51 (LOWEST READING 0.098"). REPAIRED FLOORBEAM IAW CUSTOMER SERVICE REPAIR CS-23260-016 REV A / 29 JUNE 2018.