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 GALVANIC CORROSION WAS FOUND ON FLOORBEAM Y1292 RT BETWEEN FR 68 AND FR 69. MAINTENANCE REMOVED CORRODED FLOORBEAM Y1292 RT FROM FR 68 TO FR 69; FABRICATED A NEW REPLACEMENT FLOORBEAM; INSTALLED REPAIR PART IAW A320 SRM 51-49-00 PG 5 & 6, TABLE 1.