You will need to send it in for this service, and we perform this service at no charge. Send it to the address below, and either include a letter with your name, address, daytime contact number, and a description of what needs to be done, or fill out this form.
http://horizon.hobbyshopnow.com/medi...rchecklist.pdf
Horizon Service Center
Attn: JR Service
4105 Fieldstone Rd
Champaign IL 61822