As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-04 CHECK INTERGRANULAR CORROSION WAS FOUND ON FLOORBEAM Y1292 LT BETWEEN FR 66 AND FR 68. MAINTENANCE REMOVED CORRODED FLOORBEAM Y1292 LT BETWEEN FR 66 AND FR 68; FABRICATED A NEW REPLACEMENT BEAM; INSTALLED REPAIR PART IAW A320 SRM 51-49-00, PG 5 & 6.