SL400 making wierd sounds

[HighwayAssassins]

I have an Antec SL400 and today i was gaming and then when i finished, the fans slowed and now the PSU makes this wierd noise, sounds like something is in the way of the fans or something and clipping the edges? Anyone know what this might be?

 

[diablo111]

Could be the bearings are going out on the fans...

 

[HighwayAssassins]

Well i kinda gave it a good slap while the computer was running and now it works fine!

 

[diablo111]

LOL