# SDR 2023FA0000787

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2023
- Submitted: November 25, 2023
- Operation: General aviation
- Make and model: Boeing 737-33R
- Registry model: [Boeing 737-33R](https://openairdocs.org/model/boeing-737-33r) (OpenAirDocs)
- Aircraft serial: 28868
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Valve
- Part number: 1726257
- Part serial: 1766D
- Condition: Inoperative
- Location: Zone 400
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000787

## Discrepancy

ENGINE NUMBER 2 COWL VALVE OPEN LIGHT, BRIGHT BLUE WITH ENGINE ANTI ICE SWITCH ON

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