As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PRE-INSPECTION RUN UP/ TASK, STEERING WAS RESTRICTED TO RT. FOUND THAT WHOEVER HAD THE SHIMMY DAMPNER OFF LAST, REVERSED THE GIMBAL THAT ATTACHES IT TO THE ENGINE MOUNT. THERE SHOULD BE A WARNING PLACARD OR MODIFICATION THAT MAKES REVERSAL IMPOSSIBLE. (K)