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powerbuddy said:
any sure reason what is causing that?

not that i've heard... a few theories (heat burning plastic, apple having used a cheaper plastic, dirt, etc), but nothing conclusive
 
xfiftyfour said:
weeee.. and around we go again, lol.

there are already SEVERAL threads on this. do a search.

why bother searching? There on the first page of almost each sub-forum in the hardware section 😉
 
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