As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE WHEEL STEERING FAULT, EMERGENCY WAS DECLARED AND RETURNED TO DEPARTURE. AIRCRAFT GROUNDED. FOUND EVIDENCE OF WATER ON NOSE WHEEL ELECTRICAL CONNECTOR CLEANED AND DRIED ELECTRIC CONNECTOR OF THE NOSE WHELL STEERING FOUND NO EVIDENCE OF CORROSION .