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 SILL BTW FR 66 TO FR 68 AT LEVEL STR 23R AFT GALLEY AREA; (ALL WORK ACCOMPLISHED ON AEROMAN NR 2021-386857 W0 2021-196/1) PERFORMED A PERMANENT REPAIR ON LOWER SILL BTW FR 66 TO FR 68 AT LEVEL STR 23R IAW A320 SRM53-41-14-300-001 REPAIR PRINCIPLE 5 SHEET 3 CATEGORY REPAIR ""A"" NO FURTHER INSPECTION REQUIRED.