As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION LOWER SIL LOC. BTW FR66-FR68 STR23L AT AFT GALLEY AREA (CPCP MPD 534195-01); REMOVED & REPLACED LOWER SIL LOC. BTW FR66- FR68 AT STR 23L AT AFT GALLEY AREA IAW A320 SRM 5-42-11 & SRM 51-72-11 & DWG D53480505 REF AEM WO 2023-204/1, NR 331333. (CONSIDERED AS A MAJOR REPAIR)