Where was the press release for this?

So, I was thoroughly cleaning out my DC25 the other day, everything going smoothly! I was working in the area just to the left of the cylindrical motor housing and somehow, a part fell out of place. It's a white plastic thing that I know fits somehow but I've tried every configuration and it won't go back in? I called Dyson to see if maybe they could send me a pic of the inside or a more detailed schematic but they said that I'd need to have it serviced; that just doesn't sound right? I mean, it literally just slipped out of its correct position, nothing broke!

If there's anyone that either knows their DC25 ins and outs or currently has their innards accessible (to be clear, the vacuum's innards), could you please either snap a pic or at least direct me how this little part fits back in? I can usually figure something out but this one has stumped me for a couple of days now. White thingy circled in purple

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