What was found
REFERENCE NOT ROUTINE C051378. DURING C3 C-CHECK, INSP NOTED THE RT SHEAR PLATE FROM FR 69 TO FRAME 70 WAS CORRODED. MAINT REMOVED AND REPLACED SHEAR PLATE ASSY AND SUPPORT FRAME IAW THE REQUIREMENTS OF A319, SRM 51-42-11, PARA 6 AND 7. UPON COMPLETION OF THE REPAIR, IT WAS INSPECTED AND FOUND ACCEPTABLE. (K)