# SDR AALA202211179131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2022
- Submitted: November 17, 2022
- Operation: Air carrier
- Aircraft: [N173US](https://openairdocs.org/aircraft/N173US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1481
- Aircraft time: 70,774 hours, 26,923 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Servo
- Part number: C247360012
- Part serial: H1529
- Condition: Warning Light
- Location: Zone 700 - Gears
- Part time: 70,774 hours, 26,923 cycles
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202211179131

## Discrepancy

AIRCRAFT WAS GROUNDED: DESCENDING THROUGH APPROXIMATELY 18000 FEET WHEEL NOSE WHEEL STEERING FAULT ELECTRONIC CENTRALIZED AIRCRAFT MONITOR. AFTER LANDING, RESETS ATTEMPTED BUT UN-SUCCESSFUL. TOWED TO GATE. REMOVED AND REPLACED NOSE WHEEL STEERING SERVO-CONTROL PER AMM 32-51-51.

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