As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED ON CABIN FWD WET AREA FLOOR BEAM SUPPORT Y-1732 FR 20 STR 23R; REMOVED AND REPLACED FLOOR BEAM SUPPORT Y-1732 FR 20 STR 23R IAW A320 SRM 53-73-11 DRW D53112571 & 51-72-11-901-001 PAR 1C&D. 53-11-14 FIG.007. REF. HAECO NR 36637.