What was found
AFT CABIN FLOORBEAM UPPER FLANGE HAS EVIDENCE OF CORROSION AT BS 947, RBL 51, JUST BELOW LAV ATTACH FITTING. MEASURED CORROSION TO BE 0.060, DEEP REMAINING THICKNESS IS 0.120, FLOORBEAM UPPER FLANGE IS OUT OF LIMITS IAW SRM 53-70-51-1A-1. CUT AND REMOVED THE DAMAGED FLANGES OF THE FLOORBEAM BS 947, LBL 8 TO RBL 60 IAW 53-70-51-2R-5, ALTERNATIVE 270-51-2R-5; ALTERNATIVE 2 AND EA 26-153-01429. CORRECTIVE ACTION NR 2 WAS ACCOMPLISHED IAW SRM 53-70-51-2R-5; ALTERNATIVE 2.