# SDR 9JLA2022080339000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2022
- Submitted: August 3, 2022
- Operation: Air carrier
- Aircraft: [N910TX](https://openairdocs.org/aircraft/N910TX), registered now
- Make and model: Amd FALCON900B
- Aircraft serial: 172
- Aircraft time: 6,638 hours, 2,610 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part number: BYLB510351
- Part serial: 190
- Condition: Failed
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9JLA2022080339000

## Discrepancy

THE FLIGHT CREW REPORTED THAT THE WING ANTI-ICE VALVE WOULD NOT CLOSE IN FLIGHT. THE BASE MAINTENANCE TEAM TROUBLESHOT AND DETERMINED THE WING ANTI-ICE VALVE HAD FAILED. THE DEFECTIVE VALVE WAS REMOVED AND AN OVERHAULED VALVE INSTALLED. OPS CHECKS AND LEAK CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS THEN RETURNED TO SERVICE.

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