What was found
DURING C4 CHECK DISCOVERED EXFOLIATION CORROSION ON WEB, LOCATED AT -Y1180, FROM FS 69 TO FS 70. MAINTENANCE REMOVED CORRODED WEB FROM FS 69 TO FS 70, -Y1180 IAW AIRBUS SRM 51-72-11 PAGE 1 AND 2. INSTALLED NEW WEB IAW AIRBUS SRM 51-72-11 PAGES 1 AND 2.