As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE WHEEL SHIMMY AT 30 KTS WAS EXCESSIVE. ABORTED T/O NO FASTER THAN 60 KTS. TRIED TO HAVE BACK PRESSURE ON YOKE TO EASE NOSE WHEEL SHIMMY, HAD NO EFFECT. REMOVED FAULTY NOSE STEERING UNIT INSTALLED A MODIFIED UNIT BLED HYDARULIC SYSTEM REGG NOSE STEEPING CABLES AND CONTROL COMPIED WITH FUNCTIONAL CHECK SYSTEM CHECKS GOOD LEAK CHECK GOOD WORK PERFORMED IAW MM 32-50-00.