As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INTERMITTENT CONNECTION OF PLUG CAUSES INTERMITTENT AVAILABILITY OF VARIABLE AUTHORITY OF NOSE WHEEL STEERING. THE PLUG IS TOO SUSCEPTIBLE TO MOISTURE AND CORROSION. THIS SITUATION THE PLUG OPERATED INTERMITTENTLY CAUSING LOSS OF CONTROL OF NOSE WHEEL STEERING AND CONTROL OF THE AIRCRAFT WHICH WENT OFF THE RUNWAY.