What was found
REFERENCE NON ROUTINE C073186. DURING DEN C3 C-CHECK, INSP NOTED CORROSION ON THE FLOOR SUPPORT NUT CLIP HOLES LOCATED AT STATION Y1292 BETWEEN FRAMES 66 AND 68. MX REMOVED AND REPLACED THE FLOORBEAM IAW SRM 51-44-11, 51-42-11 AND 51-72-11.