Airport Card Damaged?

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Hello,

About a month ago I spilt some ice cold water on my Mac Book Pro on the left side by the speaker. The internet was working fine, even though I think some water may have leaked into the computer, but a few days later my internet (wireless / airport) stopped working. Sometimes it will sense networks and show the network I want to join but then when I try to join it says that there is an error. I have another Mac Book Pro in the household and it connects to the internet and works just fine. Other times and most of the time it won't show any networks. I've already tried restarting, system preferences (network), & etc with my internet service provider so I'm pretty sure it's due to the fact that my airport card is damage but I'm not 100% sure.

Thanks for all your time and effort!