20190710009779I

On July 10, 2019 @ 1810 EST, aircraft N389RA, a Beechcraft B200C serial number BL-56, took off from the Teterboro Airport (kteb) for a part 91 reposition flight to laguardia airport (klga). Right after takeoff at about 100 feet during the climb out, the first officer advised the captain that he was maintaining directional control of the aircraft. The captain took over the controls to find that the aircraft was turning hard to the left and the rudder pedals were fully deflected to the left. The captain fought to maintain direction control and advised the tower of the problem who instructed them to contact departure. After advising departure of their problem the crew tried to correct the rudder issue working the rudder trim, the trim operated freely but had no effect. The rudder boost was switched off and the circuit breaker pulled this also had no effect. ATC vectored them to teb runway 19. The aircraft landed without further incident and taxied to the meridian FBO ramp. After shutdown the rudder trim tab was found to be jammed and could not be moved.

Maintenance found the rudder trim actuator, actuator shaft sheared off approximately 1/8 of an inch from the actuator housing. Further examination revealed that this was a progressive event, under 10X magnification this shaft had a crack that originated from what appears to be a nick in the polished outer portion of the actuator shaft evidence of darker corrosion then there are different (lighter) degrees of corrosion until the final fresh shear.

The rudder leading edge, upper hinge and the rudder trim actuator relief access was also damaged from what was described as due from the rudder being slapped from stop to stop either by wind or jet blast. It is common practice for operators to not engage the rudder lock to allow fbo's to easily move the aircraft without damaging the steering rudder interconnect. Textron has repair schemes in the srm addressing this type of damage.