you need to face whatever happen once you fly a RC Heli~ If there is something wrong with servo ,then purchase a new one .
www.oomodel.com→categories→servo ,just make a choice.
by the way ,I like these sentence:⊙▁⊙ "What goes up must come down"☉⋌☉Don''t stop flying in fear of crashing!
[email protected], contact me= a good price