Good evening i am trying to find a place to get a  replacement part for my controller   the Part in my controller broke i  am trying to  save some  money and repair it  befor ordering a new controller  


i do not have a part number    there was not  one on it  

its the  metal part it  Pops off the lower board

I think it's a transmitter within RC.
You could ask dealer whether they sell this single part, if they cannot help, write to support@dji.com.