What was found
DURING C4 CHECK DISCOVERED CORROSION ON WEB LOCATED IN THE AFT CARGO COMPARTMENT BETWEEN FS 58 AND FS 59, Y700. WEB WAS REMOVED FROM AFT CARGO COMPARTMENT, BETWEEN FS 58 AND FS 59, Y700 IAW AIRBUS 320 SRM 51-72-11. INSTALLED REPAIR PARTS IAW AIRBUS 320 SRM 51-72-11.