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 +Y919 BTWN FR 65-67 AT AFT GALLEY AREA; REPLACED FLOOR BEAM +Y919 BTWN FR 65-67 AT AFT GALLEY AREA AS PER SRM A320-51-72-11 & DRAWING D53472812. REF. AEROMAN NR 2018-399744 FOR DETAILS.