Where should I send my broken Nikon d3000?
I believe the aperture blades are stuck. Should I send it to Nikon or find a local repair shop?
I'd check the Nikon site for authorized Nikon repair shops in your area. I like using authorized repairs places for all our things as they usually use authentic parts for the repairs and they know your item very well.
As mentioned, the lens aperture leaves are in the lens, so all you have to do is send in the lens for repair.
This may be a good time to upgrade your old lens to a 18-200 mm or 18-105 mm single lens solution.
I recently sent in my old D300 for an auto-focus issue that started happening after I was hammered by a football player when I was shooting from the sidelines.
Nikon replaced the auto-focus system, the cameras shutter, the base plate and cleaned the whole camera including the sensor for under $250. Since the cost of a refurbished D300 is still in the just under $1,000 range (if you can find one), I think I got a deal. And Nikon did NOT "screw" with me at all.
A Nikon D3000 does not have aperture blades, but the lens does. If it's the kit 18-55mm lens, then it would be more economical to buy a replacement. You can find used ones for under $100 on Craigslist or Ebay.
Most corporations are awful and overpriced with their repairs. I can't speak for Nikon, but I tend to prefer local shops for repairs. Most get it done faster, cheaper, and don't try to screw with you.
If the lens is the 18-55 kit lens then chances are repair will cost nearly as much as replacement.
Check out Ebay for folk selling off their 18-55 after an upgrade. They sell pretty cheap