What was found
CF1, UNDERFLOOR, L/H SILL NO.1 BTW FR 19-23 FOUND CORRODED ON CF1. UNDERFLOOR, L/H SILL NO1 BTW FR 19-23 CORROSION REMOVED. AT FR19, L/H CROSS BEAM AND T ABGLE REMOVED FOR ACCESS. L/H SILL BTWEEM 18-23 REMOVED FOR REPLACEMENT.CF1. UNDERFLOOR, L/H SILL NO1 BTW FR 19-23 REPLACED WITH NEW PART. CF1 L/H CROSS BEAM AND T ANGLE AT FR 19 REINSTALLED.