Help! What's the white glue coming from Celestion SL600SI


Hi,

Help! Can anyone help me make sense of the white gluey thing coming from Celestion SL600Si? I purchased them used from a seller here, have enjoyed them for 2 years, and noticed this anomaly today. Not sure when it started to happen. It looks like melted glue. See the pictures below:

https://photos.app.goo.gl/pTRLCsmanTfpMJCv1

https://photos.app.goo.gl/e55Mi2SmZTksccb22

https://photos.app.goo.gl/e55Mi2SmZTksccb22

Thank you!
Shoubang
shoubang
@shoubang  
Hint   @shoubang , it's only the 4 bigger screws not the 3 smaller inner screw that need to be removed. 
And when you screw them back, just a little nip tight or you'll crack the plastic mounting plate if your a gorilla and crank them down.

Cheers George     
georgehifi,
If you're talking about the ribbed plates on the front baffle, they aren't plastic, they're cast aluminum.