What was found
DURING C-04 CHECK GALVANIC CORROSION WAS FOUND ON UPPER SURFACE OF Y1162 FLOORBEAM AT FR 68. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS TO BE OUT OF LIMITS; REMOVED DAMAGED SECTION OF Y1162 FLOORBEAM FROM FR 68 TO FR 69; FABRICATED A NEW REPLACEMENT SECTION OF FLOORBEAM; INSTALLED REPAIR PART IAW A319 SRM 53-00-14, PG. 105-106, PARA 4B, FIG. 102.