As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4174 (BOS TO YYZ) CREW REPORTED NOSE WHEEL STEERING CAUTION SEVERAL TIMES IN FILGHT. AFTER FOLLOWING THE QRH THE MESSAGE CLEARED AND THE NOSE WHEEL STEERING OPERATED NORMAL ON LANDING AND TAXI TO THE GATE. EMERGENCY HAD BEEN DECLARED. RIGGED ROTARY VARIABLE DIFFERENTIAL TRANFORMER'S IAW AMM 32-51-20. OPERATIONS CHECKS GOOD AIRCRAFT TOTAL TIME.