What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK GALVANIC CORROSION WAS FOUND ON FLOORBEAM AT FR 68, Y1219, Z240. MAINTENANCE REMOVED CORRODED FLOORBEAM AT FR 68, Y1219, Z240; FABRICATED A NEW REPLACEMENT FLOOR BEAM; INSTALLED REPAIR PART IAW A319 SRM 51-42-11 PG 6-7.