What was found
DURING C-03 CHECK CORROSION WAS FOUND ON THE UPPER AND LOWER SURFACE OF HORIZONTAL WEB (SHEAR PLATE) AT FR 69-70, LBL 49. MAINTENANCE REMOVED CORRODED SHEAR PLATE AT FR 69-70, LBL 49; FABRICATED A NEW REPLACEMENT SHEAR PLATE; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, PG. 7-9, & 21-22, FIG. 65 & 66.