Looks easy. Those are the ones I was looking at but my motors have different numbers. I read that the Standard had a couple different main boards over time. Are the motors still the same?
I'm a dummy and put too long of screws in the motor mounts. As a result I need four replacement motors.
The motors say BFBR 0584D and AFCT 1255D, but I see in eBay and Amazon there are part numbers 94 and 95 with 2312A.
I wonder if I should dismantle it. Perhaps a wire was severed. Iv'e read about people with P2s that put the long screws in and cause the motors to grind. I have no unusual sound. Everything spins smoothly by hand. I cannot find any errors. It believes it's flying too. All lights are correct...
I bought a used P3S and decided I didn't need the blade protectors. I took the mounts for the blade protectors off, and like a dummy put the long screws back in. I tested all the motors for movement and one had a bit of sound but not anything I could feel. I put the blade protector mounts back...