# SDR AALA202001149023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 11, 2020
- Submitted: January 14, 2020
- Operation: Air carrier
- Aircraft: [N572UW](https://openairdocs.org/aircraft/N572UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5899
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part serial: 13202
- Condition: Faulty
- Location: Rt Wing
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202001149023

## Discrepancy

AIRCRAFT WAS GROUNDED: DFW-ORD, AIR RETURNED TO DFW ACCOUNT ANTI-ICE WING FAULT MESSAGE. EMERGENCY DECLARED. REPLACED RT WING ANTI ICE VALVE CONTROL VALVE IAW AMM 30-11-51. REPLACED RT WING ANTICE ICE DUCT INBOARD ASSY IAW AMM 30-11-00.

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