I have replaced a motor after it became noisy. Also added a new wide track landing gear. Reset the compass to original placement on landing gear. Test flight resulted a flyaway due to uncontrollable flight. Retrieved the unit from a tree. No broken parts. Hooked up unit to assistant software. Did every calibration possible and reset defaults. Compass parameters are with in assistant recommended settings. Unit flys and is somewhat stable. If in gps mode and all green lights it is more unstable. In attitude mode it is a more stable flight. It tends to want to dip the left front rotor and travel on its own. It's is also accellertating mildly. Any ideas what I can do to stabilize the craft?