What was found
FOUND DURING D-CHECK, FLOORBEAM AT STATION 1580 BETWEEN NR 1 - NR 2 SEAT TRACKS HAS BLOWOUT OF CORROSION AT NUT PLATE. REMOVED CORROSION IAW DC-8 SRM 51-1-8. FABRICATED DOUBLER, TREATED, PRIMED AND INSTALLED IAW DC-8 SRM 53-2-0, 51-1-8, 51-1-20D. (M)