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 WEB FLOOR STRUCTURE BTWN FR 69-70 RH SIDE AT AFT GALLEY AREA; REPLACED WEB FLOOR STRUCTURE ATW FR 69-70 RH SIDE AT AFT GALLEY AREA PER SRM A320-51-72-11 AND DRWG D53471124. REF AEROMAN NR 2018-399749.