Same thing happened on my rotor. After trying to search for tutorials on what size SMD leds to replace on the internet, I found basically none.
Perfect reason to try and modify mine! Instead of using an SMD led which requires a bit more soldering skills, I chose the 3mm LED which are bigger and easier for any beginner to solder. Hopefully this will help many of you out there who either has a burnt out LED on the rotor OR would like to spice things up with their setup and match their color kit.
Here's an example of my LED work from a few years ago... I told you it's been a while!!!
I know this is old, but i'm posting to find this later
You gas up the marker, put on the mask, and walk onto the field. It doesn't matter that you failed a test, your girlfriend broke up with you the night before, or that you just had a bad day at work. This is your heaven on earth. Live it and Play it as if there was no tomorrow.