Re: my previous iMac got a replacement Logic Board
My MacBook Air didn't receive Apple service because August, 28 deadline has passed.:
http://support.apple.com/kb/ts2948
and this is theirs production defect, not any accident caused by my handling of the MacBook (I have service center conclusion confirming my words). I bought it several years ago for $2100 BTW. So please think twice before trusting Apple again.