Airport card failed...again

My Macbook pro is around 15 months old and out of warranty. 3 months ago the airport card began failing every now and then, until eventually it wouldn't turn on at all. It got fixed and the problem disappeared, but a few weeks ago it started happening again, with regular crashes, until it wouldn't turn on anymore. I have just got it back after apple replaced the 'bracket, front hard drive, with IR / Sleep / HD cable' and the hard drive. It then keeps asking me for a key chain password to do anything (I didn't have one before), and the wireless switches off on its own, without the option of turning it back on.
Can anyone tell me what the problem is???

Given your experience I believe it's unlikely the problem is due to a failed AirPort card. You replaced it twice and it failed twice. I would pursue another cause, but there is nothing left to do on a MBP except to replace its logic board.
If you did not purchase AppleCare your warranty has now expired, and a new motherboard will approach the cost of a brand new MacBook Pro. Considering the circumstances, I would appeal to a Genius to consider the repair efforts conducted so far and discuss the most inexpensive solution. Good luck!

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    localhost kernel[0]: AirPortDriver: F/W download failed
    localhost kernel[0]: AirPortFirmware: start Sta f/w download
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    Hey, just wanted to post an update to let everyone know what I ended up doing.
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    -Scott
    Message was edited by: sdschramm

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