APM Output Issues


I’m running into a strange issues with my motors. So I calibrated my ESC’s and All ESC’s work fine on all out put channels expect for channel 1 and 2. The motors want spin at the same time as the others but when the throttle is 30%. But when I take the motors from channel 1 and 2 and place them in any other channel they work fine, thats why I concluded that issue is something related to 1 and 2. I don’t know if its something I could calibrate from mission planner or its a hardware issue. If its a hardware issue can I swap 1 and 2 with 7 and 8 ?