Glider works once in awhile, I don't believe it's a board issue or a switch. When I put it in test, left and right are good, but the forward doesn't move unless I continue to press button, it sounds like a gear slipping ,then when it catches, it works good for about 5 or 6 games. After the 5 to 6 games doesn't work again. Should I just replace the motor? seems to me that should be the problem. Any advice would be appreciated. Thanks

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