As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAXI OUT FOR A TEST FLIGHT, PILOT REPORTED THE STEERING PULLING HARD TO THE RIGHT REQUIRING EXTREME BRAKING TO KEEP THE ACFT STRAIGHT. INSPECTION IN MX DISCOVERED THE RETAINER IN THE END OF THE STEERING BARREL HAD BROKEN CAUSING THE CONTENTS OF THE BARRELL ASSY TO SHIFT, WHICH IN TURN IMPEDED DIRECTIONAL CONTROL OF THE NOSE WHEEL STEERING ASSY.