# SDR ASAA2022102340443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 23, 2022
- Submitted: October 25, 2022
- Operation: Air carrier
- Aircraft: [N926AK](https://openairdocs.org/aircraft/N926AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43314
- Aircraft time: 2,822 hours, 844 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part number: UNKNOWN
- Condition: False Indication
- Location: Unknown
- Stage of operation: DE
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022102340443

## Discrepancy

L VALVE WING ANTI ICE ILLUMINATED AFTER SELECTING IT ON AT 19,000' TURNED IT BACK ON AROUND 9000' AND IT DID NOT RE-ILLUMINATE. GROUNDED - YES. REF B737-9 IFIM TASK 30-11-00-810-808 VALVE OPERATES SMOOTHLY. PERFORMED WING THERMAL ANTI ICE VALVE OPS TEST REF B737-9 AMM 30-11-11. OPS NORMAL. GROUND VERIFICATION GOOD.

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