Hard drive, SSD, Time machine question

I was using a Macbook Pro mid 2012 13" for this problem.
About a month ago, I upgraded my hard drive to a Crucial Solid State Drive (SSD) 240 gb m500. I used Carbon Copy Cloner and everything went very smoothly and my computer worked great for about two months. Randomly one day, I turned on my computer and got a WHITE SCREEN. I have tried several things to try and correct this SSD but none of them will work. I have come to the conclusion that it is a broken/unusable SSD and am returning it.
My problem comes that my time machine backup is on my old macbook pro hard drive. I want to put back in that hard drive into my MBP with all my files intacted, but of course it is not in the right format to run.
I have access to another MBP, a 500 gb external drive, as well as a internal hard drive enclosure to plug my old hard drive into USB externally.
My question is would it be to risky, if I backed up my friends MBP to the 500gb external hard drive using time machine. Then I put my time machine backup on his computer. Then make a copy from his computer of my time machine backup to my old MBP hard drive. Then put my newly copied hard drive back into my MBP. And then take my friends MBP and time machine his backup back from the external drive back onto his computer.
Let me know if you have any other ideas. Thanks
~Katherine

With the SSD still in the MacBook, hold down the Option key at Startup. This will draw an icon for each potentially-bootable drive.
Now go away from your Mac and leave it powered on doing nothing for 20 to 30 minutes.
Sometimes an SSD gets so clogged with data it needs idle to do a major Garbage collect, but thinks it is still being accessed, so it delays the Garbage Collect. Leaving it alone for 20 minutes or more MAY allow it the time to fix itself.
If this helps, read this article on TRIM:
http://en.wikipedia.org/wiki/TRM
consider installing TRIM Enabler from Groths.

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    The Tragedy that will be, the tragedy that never should be
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  • Accessing back-ups on external hard-drive with Time Machine.

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