What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK EXFOLIATION CORROSION WAS FOUND FLOORBEAM AT FR 16, THIRD BEAM FROM OUTBOARD RT SIDE. MAINTENANCE REMOVED CORROSION AND FOUND MATERIAL LOSS OUT OF LIMITS; FABRICATED A FILLER AND REPAIR ANGLE; INSTALLED REPAIR PARTS IAW A320 SRM 53-11-14, PG. 213-219, FIG. 203, SHT 1 & 2.