As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING DURING TAXI-IN NOSE TILLER STEERING BECAME ERRATIC & UNRESPONSIVE. STOPPED THE ACFT & CALLED FOR A TOW-IN. NO ALERTS & NO HYD PROBLEMS NOTED THAT WOULD EXPLAIN THE LOSS OF STEERING. PERFORMED VISUAL INSP OF THE STEERING MECHANISM AND RELATED COMPONENTS, NO TROUBLE FOUND IAW FIM 32-50. NOSE STEERING SYS, OP CHECKED GOOD IAW AMM 32-50-00-0. NO 90 DAYS HISTORY. ACFT OK FOR SERVICE.