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 LH SIDE AT AFT GALLEY AREA; REPLACED WEB FLOOR STRUCTURE BTW FR69-70 SIDE AT AFT GALLEY AREA AS PER SRM A320-51-72-11 & DRAWING D53474180. REF. AEROMAN NR 2018-399748.