What was found
AFT CARGO COMPT FLOORBEAM FR 66,28'' TO 44'' LT OF CTR LINE FWD FLANGE LWR HAS CORROSION IN AND AROUND FASTENER HOLES APROX 8 SQ IN. REMOVED CORROSION IAW SRM 51-74-10 CHECK AND FOUND FLOORBEAM AT FR 66 OUT OF LIMIT IAW SRM 53-10-00, TABLE 102. REPLACED BEAM WITH A NEW FLOORBEAM AT FR 66 IAW SRM 53-10-15, FG 104.