# SDR ASAA2023050143084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2023
- Submitted: May 3, 2023
- Operation: Air carrier
- Aircraft: [N955AK](https://openairdocs.org/aircraft/N955AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 63810
- Aircraft time: 1,179 hours, 342 cycles
- System (JASC): [7510 · Engine Anti-Icing System](https://openairdocs.org/jasc/7510)
- Part: Anti-Ice Valve
- Part number: 632160664
- Part serial: 3144
- Condition: Faulty
- Location: #1 Engine
- Part time: 1,179 hours, 342 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/ASAA2023050143084

## Discrepancy

ON TAKE OFF AT APPROXIMATELY 70 KNOTS, WITH ANT-I ICE ON,THE #1 ENGINE COWL ANTI-ICE CAUTION LIGHT ILLUMINATED. TAKE OFF WAS CONY. AND QRH WAS RUN, THE LIGHT EXTINGUISHED ON CLIMB OUT AT ABOUT 4000& 5000 FT. GROUNDED - YES. REPLACED ENGINE COWL ANTI ICE VALVE PER B737-9 AMM 30-21-11-400-801.

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