As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH TILLER ENGAGED UNCOMMANDED STEERING TO LEFT AND RIGHT WITH NOTED CLICKING AND GRINDING SOUND HEARD. REPLACED FEEDBACK UNIT (POTENENTIOMETER) IAW 30-50-07 PERFORMED COMPLETE ADJUSTMENT IAW AMM 32-50-00-700-804/500. TAXI CHECK NO FIX. REPLACED STEERING HANDLE WHEEL IAW 32-50-01 OPS CHECK GOOD,OPS CHECK TAXI CHECK GOOD. RETURN TO SERVICE