As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4 CHECK, DISCOVERED CORROSION ON LONGITUDINAL BEAM BETWEEN FS 68 TO FS 69, BL +Y1170. REMOVED CORROSION IAW A320 SRM 51-74-00 AND WAS FOUND TO BE OUT OF LIMITS. REMOVED BEAM BETWEEN FS 68 TO FS 69 IAW AIRBUS 320 SRM 51-42-11. NEW BEAM WAS PREPARED FOR INSTALLATION IAW A320 SRM 51-44-11. INSTALLED REPAIR PARTS BETWEEN FS 68 TO FS 69, BL +Y1170 IAW A320 SRM 51-42-11 AND 51-21-11.