As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT PULLS CONSIDERABLY TO THE LEFT FROM 0 TO 080 KTS WITH BOTH TILLER AND LDG. REMOVED, INSPECTED AND CLEANED STEERING TILLER BUT TILLER WILL NOT CENTER. REINSTALLED TILLER . NOSE WHEEL STEERING TILLER NOT CENTERING PROPERLY WAS CAUSING THE DISCREPANCY.