What was found
DURING C5 CHECK DISCOVERED CHAFFING ON DOOR SILL SUPPORT LOC FS 55 + 3, Y607 AFT CARGO COMPARTMENT. MAINTENANCE REMOVED DAMAGED DOOR SILL SUPPORT AT FS 55 + 3, Y607 IAW AIRBUS 320 SRM 51-42-11. INSTALLED NEW DOOR SILL SUPPORT AT FS 55 + 3, Y 607 IAW AIRBUS 320 SRM 51-42-11.