What was found
DURING C-04 CHECK GALVANIC CORROSION WAS FOUND ON UPPER AND LOWER SURFACE OF RT AFT SHEAR PLATE BETWEEN FR 69 AND FR 70, STR 24 RT. MAINTENANCE REMOVED CORRODED RT AFT SHEAR PLATE FROM FR 69 TO FR 70, STR 24 RT; FABRICATED A NEW REPLACEMENT SHEAR PLATE, AND INSTALLED REPAIR PART IAW A320 SRM 51-72-11.