As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOUD THUMP HEARD FROM NOSE WHEEL WELL AREA DURING CLIMB AND CRUISE, THUMPS FELT IN FIRST OFFICER'S LEFT RUDDER PEDAL, SOUNDS LIKE NOSE WHEEL STEERING IS ACTIVATED. REMOVED AND REPLACED NOSE GEAR PROXIMITY SWITCH IAW EMB AMM 32-61-01. OPERATIONAL CHECK GOOD, FUNCTIONAL CHECK FLIGHT PERFORMED WITH NO DEFECTS NOTED. RETURNED AIRCRAFT TO SERVICE.