# SDR ASAA2022122741337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2022
- Submitted: January 12, 2023
- Operation: Air carrier
- Aircraft: [N941AK](https://openairdocs.org/aircraft/N941AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44101
- Aircraft time: 1,319 hours, 402 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Warning Message
- Condition: False Activation
- Location: Lt Anti-Ice Vlv
- Stage of operation: DE
- 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/ASAA2022122741337

## Discrepancy

L WING ANTI-ICE VALVE LIGHT REMAINED AMBER AFTER SELECTED ON DURING DESCENT. ASA TC MAX-30EA-24968, W/O 1936398. GROUNDED - YES. C/W INSPECTION OF LH INLET TUBE OF L WING ANTI ICE VALVE. NO DEFECTS NOTED. REF ASA T/C MAX-30EA-24968 AND B737-9 AMM 30-11-11.

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