Waranty/repair service question for the Bachmann

[ncc1701]

Dear Mr. Bachmann,

I have recently purchased one of your n scale spectrum line 2-8-0 consolidations. I have since equipped the locomotive with an nmra dcc decoder and modified the external shell  of the tender and locomotive for the sake of appearance. The locomotive has sense failed to operate properly as it did before any of my modifications or even after the installation of the decoder.
This degradation of operation started after I test ran the locomotive with the decoder installed and apparently when I secured the decoder to the frame of the locomotive and replaced the modified shell.

The locomotive is now beyond my ability to repair and I wish to send it to bachmann for servicing, but I wish to retain my modified shell.

Is this possible and what should I do?

Thank you for your help in advance,

ncc1701

[the Bach-man]

Dear NCC,
Call service first and explain the situation. They'll arrange it so you'll get your own loco back. However, if it's determined that your modification attempt damaged something, they may not be able to fix it.
Good luck!
the Bach-man