As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SAL - MAJOR REPAIR - DURING C-04 CHECK CORROSION WAS FOUND ON FLOORBEAM Y20 LT AT FR 66+6 INCHES. MAINTENANCE REMOVED CORRODED FLOORBEAM Y20 LT AT FR 66+6 INCHES; FABRICATED A NEW REPLACEMENT FLOORBEAM; INSTALLED REPAIR PART IAW A320 SRM 53-00-14 FIG 207.