What was found
CABIN FLOOR STRUCTURE, INNER CREASE BEAM CHORD STATION 666 TO 755 HAD SEVERE CORROSION, ALSO INTERCOSTAL BELOW DOORWAY 2L DRAIN GUTTER STATION 680 TO 700 LBL 62" AT STRINGER 17L (CREASE BEAM WAS ALSO AT 62" LBL AT STRINGER 17L) HAD SEVERE CORROSION. SUPPLEMENTAL DATA UPDATE MAJOR REPAIR ACCOMPLISHED. REMOVED INNER CREASE BEAM CHORD INSTALLED NEW PART AND INSTALLED REPLACEMENT INTERCOSTAL.