What was found
DURING C4/S1 CHECK, INSPECTION REPORTED CORROSION ON UPPER SURFACE OF FLOORBEAM Y254, BETWEEN FRAMES 16 AND 18. BLENDED 3 AREAS ON FLOOR SUPPORT Y254, ALL FOUND TO BE OUT OF LIMITS PER SRM 53-11-14-FIG 104. CUT OUT CORRODED UPPER CAP SECTION OF FLOOR SUPPORT IAW SRM 53-11-14, PARA 5 AND FIG 201. FABRICATED REPAIR PARTS AND INSTALLED FLOOR SUPPORT REPAIR IAW SRM 53-11-14, 51-47-00, 51-23-00, AND EAR 910-4551.