# SDR AALA202105309001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 2021
- Submitted: June 1, 2021
- Operation: Air carrier
- Aircraft: [N157UW](https://openairdocs.org/aircraft/N157UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5696
- Aircraft time: 23,737 hours, 9,524 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Torque Link
- Part number: D65234
- Part serial: 13COU8529702154
- Condition: Unserviceable
- Location: Nlg
- Part time: 23,737 hours, 9,524 cycles
- Stage of operation: TO
- How discovered: O
- Nature of condition: E
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202105309001

## Discrepancy

AIRCRAFT WAS GROUNDED: NOSE LANDING GEAR SEVERE SHIMMY DURING TAKEOFF/LANDING. REMOVED AND REPLACED NOSE LANDING GEAR UPPER (AALA202105309001) AND LOWER  (AALA202106019026)TORQUE LINK ASSEMBLY IAW AMM 32-21-27.

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