As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TAKING THE RUNWAY AT A SLOW SPEED, AND STEERING DISPLACEMENT AT 10 PERCENT TO 15 PERCENT RATE OF TURN. AIRCRAFT LOST STEERING CAPABILITY (CASTERED), TRY TO REENGAGE 2 TIMES, RETURN TO GATE. REMOVED NOSE GEAR ASSEMBLY AND INSTALLED NEW ASSEMBLY IAW EA500 AMM 32-20-10 AND TSR 32-031708G. PERFORMED NOSE GEAR AND DOORS ADJUSTMENT/TEST IAW EA500 AMM 32-20-00. PERFORMED STEERING ADJUSTMENT/TEST IAW EA500 AMM 32-50-00. ALL CHECKS GOOD.