The Fireball doesn't have digital coax, only optical. Inside the hole, there seems to be a small metal tab that sticks out from one side, almost to the middle of opening. It looks like it's intended that when the flap is pushed in by the jack, the flap will push this little tab to the side as the flap is pushed in. It does look like an obstacle that's in the way of the connector and also looks like it could damage the tip of the cable.
I'm thinking the socket will have to be replaced. Any replacement parts sourced you guys are aware of?