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 CORROSION FLOOR BEAM -Y 1162.5 AT FR 67 AT AFT GALLEY AREA. REPLACED FLOOR BEAM -Y 1162.5 AND FASTENERS AT FR 67 AT AFT GALLEY AREA IAW A320 SRM 51-72-11 AND DWG D53472780 AND D53472089.