What was found
DURING BC-4 CHECK, A 3 INCH CRACK WAS FOUND ON AFT SHEAR PLATE AT STR 24 LT, BETWEEN FS 69 AND FS 70. MAINTENANCE REMOVED CRACKED AFT SHEAR PLATE AT STR 24 LT, FROM FS 69 TO FS 70; FABRICATED A NEW REPLACEMENT SHEAR PLATE; INSTALLED REPAIR PART IAW A320 SRM 51-72-11.