A howler from Reading goalkeeper Adam Federici helped Arsenal progress . The Gunners were in the ascendancy after a first-half goal by Jack Wilshere and then another when Alex Oxlade-Chamberlain scored his first for Arsenal. He left the field in tears after fumbling Sanchez 's shot through his legs . Aaron Ramsey will be hoping to taste more FA Cup success in the final .
A howler from Reading goalkeeper Adam Federici helped Arsenal progress . Federici let a late effort squirm through his legs and in during extra-time . He left the field in tears after fumbling Sanchez 's shot through his legs . Aaron Ramsey will be hoping to taste more FA Cup success in the final .