As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TURNING ONTO THE RAMP AFTER LANDING, A LARGE POP WAS HEARD IN THE NOSE, ALONG WITH LOSS OF NOSE WHEEL STEERING. IT WAS DISCOVERED THE STEERING ACTUATOR LEVER P/N 71-159-1(OR -9)WAS BROKEN IN TWO. VISUAL INSPECTION OF THE FRACTURE SURFACES INDICATE A PREVIOUS CRACK. CONTACT WITH VIKING AIRCRAFT AND A TWIN OTTER REPAIR STATION REVEALED THIS PART HAS FAILED IN THE PAST ON OTHER AIRCRAFT. FAILURE OF THIS PART ON LANDING OR OTHER OPERATIONS COULD RESULT IN A SERIOUS ACCIDENT.