What was found
DURING B-04 CHECK CORROSION WAS FOUND ON FLOORBEAM BETWEEN FR 66 AND FR 68, Y1292 RT. MAINTENANCE REMOVED DAMAGED FLOORBEAM BETWEEN FR 66 AND FR 68, Y1292 RT; FABRICATED A NEW REPLACEMENT FLOORBEAM IAW DWG D53472172; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, FIG. 9-14, PG. 7-10, 12, AND 16-17.