As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED INBOUND INTO LAX TO THE FLIGHT CREW REPORTING A NOSE WHEEL STEERING ECAM FAULT AFTER TAKEOFF. THE AIRCRAFT LANDED SAFELY AT LAX AND WAS TOWED OFF THE RUNWAY. MAINTENANCE FOUND THE NOSE WHEEL STERRING CANNON PLUG CONNECTOR 4GCA LOOSE / DISCONNECTED AND RE-CONNECTED / SECURED CANNON PLUG CONNECTOR. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.