# SDR ASAA2023022342072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2023
- Submitted: February 27, 2023
- Operation: Air carrier
- Aircraft: [N948AK](https://openairdocs.org/aircraft/N948AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 44090
- Aircraft time: 1,499 hours, 441 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Valve
- Part number: 632160664
- Part serial: 3107
- Condition: Faulty
- Location: #1 Engine
- Part time: 1,499 hours, 441 cycles
- Stage of operation: TO
- 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/ASAA2023022342072

## Discrepancy

LEFT COWL ANTI-ICE MASTER CAUTION ILLUMINATED AT 90 KTS ON TAKEOFF ROLL. EXTINGUISHED ON ITS OWN CLIMBING THROUGH 2000 FT. GROUNDED - YES. REMOVED ENGINE ANTI ICE VALVE PER B737-9 AMM 30-21-11-000-801. INSTALLED LH COWL ANTI ICE VALVE UP TO AMM 32-21-11-400-801.

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