As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: FOUND CORROSION (L= 1.403 INCHES W= 0.954 INCHES D= 0.048 INCHES) ON LOWER SILL LOCATED FROM FR66 TO FR68 AND STR 23L AT AFT GALLEY AREA. REPLACED SILL IAW A321 SRM 51-72-11-911-001 AND DWG # D53480505 AND # E53474250.