What was found
AFT PAX CABIN BS 1681, HAS EVIDENCE OF CORROSION, BETWEEN DECK PLATE & FLOORBEAM, LBL 32.0 TO LBL 52.0. REMOVED FASTENERS FOR ACCESS, CLEANED AREA DIRT & OLD SEALANT BETWEEN FLOORBEAM & DECK PLATE FROM LBL 32 & LBL 48 NO CORROSION NOTED. FOUND CORROSION OUT OF LIMITS FROM LBL 49.75 TO LBL 52, CUT OUT DAMAGED SECTION, FABRICATED FILLER MAT USED BAC 1505-100880 PO 1396130.