What was found
AIRCRAFT WAS GROUNDED: AFTER TAKE OFF WE RECEIVED A NOSE STEERING FAULT AND A BRAKE SYSTEM 1 FAULT ON THE ECAM. BRAKE SYSTEM 1 IN FLIGHT QRH PROCEDUREPERFORMED AND CLEARED BOTH FAULTS. DISCUSSION WITH COMPANY ANDMOC RECOMMENDED RETURN TO CLT. UPON LANDING NOSE WHEEL WAS GENTLY LOWERED. UPON RUNWAY CONTACT, A BANG WAS HEARD AND THE AIRCRAFT JERKED RIGHT. UPON LANDING ROLLOUT AND EXIT FROM THE RUNWAY, BOTH FAULTS RETURNED TO THE ECAM AND THE NOSE WHEEL STEERING DID NOT WORK. MAINTENANCE REPLACED STEARING CONTROL UNITL AMM 32-51-00.