# SDR ASAA2022100440161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2022
- Submitted: October 6, 2022
- Operation: Air carrier
- Aircraft: [N931AK](https://openairdocs.org/aircraft/N931AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43353
- Aircraft time: 2,793 hours, 830 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Anti-Ice Valve
- Part number: 632160664
- Part serial: 2428
- Condition: Faulty
- Location: #1 Engine
- Part time: 1,750 hours, 463 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022100440161

## Discrepancy

DURING ENGINE RUN TEST FOUND #1 ENGINE ANTI-ICE VALVE LIGHT WOULD STAY ILLUMINATED AMBER UNTIL 68% N2 POWER, STAYS ILLUMINATED AT IDLE. GROUNDED - YES. REMOVED AND REPLACED #1 ENGINE ANTI-ICE VALVE, REF B737-9 AMM 30-21-11-000-801 & 30-21-11-400-801, LEAK AND OPS CK GOOD.

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