K12 stereo surround 2003 onwards.

Hi all.

The item below,the hinged flap at the top,is it held on by screws or clipped in.

Thanks.
s-l1600.jpg
 
The reason I ask is that the previous owner has spilt glue over the flap.I was going to remove the flap & rub down & maybe spray .Or leave the flap off altogether.
 
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