What was found
DURING C4/S1 CHECK, INSPECTION REPORTED FLOORBEAM Y503.2 CORRODED ON UPPER SURFACE BETWEEN FRAMES 14 AND 16. DETERMINED CORROSION ON DUMMY RAIL Y503.2 TO BE OUT OF LIMITS IAW A319 SRM 53-11-14, FIG 106. REMOVED AND INSTALLED DUMMY RAIL Y503.2 IAW 51-42-11, AND 51-44-11.