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 23R AFT GALLEY AREA; REPLACED LOWER SIL FR 66-68 STR 44-STR 23R AT AFT GALLLEY AREA IAW SRM A320-51-72-11 & DRAWING D53480505 REF AEROMAN NR 2018-399734 FOR DETAILS.