# SDR DALA2023032302265

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2023
- Submitted: March 23, 2023
- Operation: Air carrier
- Aircraft: [N572DZ](https://openairdocs.org/aircraft/N572DZ), registered now
- Make and model: Airbus A350-941
- Registry model: [Airbus A350-941](https://openairdocs.org/model/airbus-a350-941) (OpenAirDocs)
- Aircraft serial: 0200
- Aircraft time: 8,527 hours, 949 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023032302265

## Discrepancy

SHIP 3572 - ATB - DUE TO NBR 1 ENGINE ANTI-ICE VALVE FAILED CLOSED ECAM MESSAGE. CORRECTIVE ACTION: LOCKED PRSOV IN THE OPEN POSITION AND DEFERRED PER MEL 30-21-02A. REPLACED PRV ANTI-ICE VALVE. (LP 4164867)

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