[Jim, it sounds like your flap actuator motor is coasting past the retract
limit, allowing the operating rod to jam up in the housing .  The circuitry
that powers the flaps should include a method of shorting the motor leads
together when the power to the actuator is removed.  While the motor is
spinning down unpowered it is acting as a generator and shorting its leads
together places a huge load on it thereby acting as an electrical 'brake'.  I
thought that the wiring instructions in the build manual included that
feature... I know it does on the flap motor for the LNC2.  Of course, the
problem could be purely mechanical, although this is the first thing I'd be
looking at to get to the root of the problem.  Just a thought.   <Marv>   ]

Jim, Marv,

 

That is the first thing I thought of too.  Perhaps the relays providing the "short" should be examined for burnt contacts or other problems - if the wiring is correct.