Originally Posted by
MrBigAir
It happened occasionally where I worked. Not a bid deal, the airplane yaws, maybe you hit a little harder, it's not the end of the world if you know what the pedals on the floor do. It might not be full on ground idle, but the prop disc definitely goes flatter. Its a solenoid that sticks, the name of it isn't coming, it's been a while. A good mechanic can clean it up quick.
usually the culprit is the LO-PITCH SOLENOID...