What was found
(EMERGENCY DECLARED) NOSE WHEEL PULLS LEFT ON T/O. AFTER GEAR UP, ECAM WHEEL N/W STRG FAULT. LANDED AND STOPPED ON RUNWAY. RESET PROCEEDURES SUCCESSFUL. TAXI TO GATE. TROUBLESHOOTING REQUIRED PER QRH RESET. / PEFORMED BITE TEST AND GROUND SCAN OF BOTH BSCU SYSTEMS. TEST SUCCESSFUL IAW AMM 32-46-00-740-001-A AND 32-46-00-740-002-A. PERFORMED AFS TEST IAW AMM 22-96-00-710-001-A TEST SUCCESSFUL. BEFORE BITE TEST CLEANED 4GC SENSOR AND RESET BOTH BSCU SYSTEMS."