As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON TAXI, CREW STATED AIRCRAFT WAS SHAKING AND RETURNED TO GATE. RT MAIN LANDING GEAR TORQUE KNEES FOUND TO HAVE PIVOT BOLT MISSING. CAUSE UNKNOWN. SUBSEQUENT INSPECTION OF RT MAIN GEAR SATISFACTORY. REPLACED UPPER AND LOWER TORQUE LINKS AND HARDWARE. AIRCRAFT RETURNED TO SERVICE.