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