As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - DURING C4 CHECK LEVEL 1 CORROSION WAS DISCOVERED ON THE BOTTOM SURFACE OF THE LEFT HAND LATERAL SHEAR PLATE AT Y1295 AND FS 69-70. MAINTENANCE REMOVED AND INSTALLED NEW LATERAL SHEAR PLATE AT Y1295 AND FS 69-70 IAW AIRBUS A320 SRM 51-42-11 PGS 22-23 FIG 8 AND AIRBUS A320 SRM 51-42-11 PGS 8-14 FIGS 3 AND 4.