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 FLOOR BEAM +Y765 BTWN FR 66-70 AT AFT GALLEY AREA; REPLACED FLOOR BEAM +Y765 BTWN FR 66-70 AT AFT GALLEY AREA AS PER SRM A320-51-72-11 AND DRWG D53472815. REF. AEROMAN NR 2018-399742 FOR DETAILS