# SDR ASAA2022110140548

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2022
- Submitted: November 2, 2022
- Operation: Air carrier
- Aircraft: [N587AS](https://openairdocs.org/aircraft/N587AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35684
- Aircraft time: 53,408 hours, 15,551 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part number: 672906002
- Part serial: 11891033
- Condition: Failed
- Location: Right Wing
- Part time: 3,944 hours, 1,201 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022110140548

## Discrepancy

RIGHT WING ANTI-ICE VALVE FAILED IN THE CLOSED POSITION. GROUNDED - YES. REMOVED AND REPLACED RIGHT WING THERMAL ANTI ICING SHUTOFF VALVE REF B737-800 AMM 30-11-11. OPS AND LEAK CHECK GOOD. ETOPS GROUND VERIFICATION SUCCESSFUL.

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