# SDR AALA201605179007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2016
- Submitted: May 17, 2016
- Operation: Air carrier
- Aircraft: [N563UW](https://openairdocs.org/aircraft/N563UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5368
- Aircraft time: 11,652 hours, 4,713 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Electrical Box
- Part number: D23119751
- Part serial: B3333
- Condition: Defective
- Location: Nlg Steering
- Part time: 11,652 hours, 4,713 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201605179007

## Discrepancy

AIRCRAFT WAS GNDED.  EN-ROUTE NOSE WHEEL STEERING DISCONNECT MSG APPEARED ON ECAM AT ABOUT 1000 FT, NO FAULTS WERE PRESENT WITH MSG.  AT GEAR DOWN NOSE WHEEL STEERING FAULT  ECAM & ALTERNATE BRAKES FAULT ECAM, BOTH APPEARED.  NOSE WHEEL STEERING WAS LOST FOR TAXI.  FLIGHT CREW DECLARED AN EMER & LANDED WITHOUT INCIDENT & WAS TOWED TO THE GATE.  REPLACED NOSE STEERING ELEC DEACTIVATION BOX 5GC IAW AMM 32-51-12.

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