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 LOWER SIL FR 66-FR 68 AT LEVEL STR 23L AT AFT GALLEY AREA; REPLACED LOWER SIL FR 66 AT LEVEL STR 23L AT AFT GALLEY AREA AS PER SRM A320-51-72-11 & DRAWING D53480565 & E53474250. REF. AEROMAN NR 2018-399736.