My DJI F550 twitches violently to the front right. This happens in ATTI and GPS.

It has been flying brilliantly for about a month before.

Im using a DX8, with standard stock DJI F550, DJI; props, motors, esc's....

I have checked Naza assistant and re-calibrated Naza and GPS. Everything seems to look right.

Any ideas of what to do would be greatly appreciated.

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