As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO THE NOSE WHEEL STEERING FAULT ECAM MESSAGE. NOSE STEERING FAULT LIGHT ILLUMINATED IN FLIGHT AND WOULD NOT RESET. CREW DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AIRCRAFT FROM SERVICE FOR INSPECTION AND REPAIR. MAINTENANCE REPLACED NOSE WHEEL STEERING SERVO CONTROL PER AMM 32-51-51. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK. AIRCRAFT WAS GROUNDED.