# SDR ASAA2023031942431

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 19, 2023
- Submitted: March 21, 2023
- Operation: Air carrier
- Aircraft: [N516AS](https://openairdocs.org/aircraft/N516AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39044
- Aircraft time: 51,545 hours, 15,312 cycles
- System (JASC): [3020 · Air Intake Anti/De-Ice System](https://openairdocs.org/jasc/3020)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023031942431

## Discrepancy

LEFT ENGINE ANTI-ICE VERY SLOW TO CLOSE. GROUNDED - YES. LEFT HAND ENG ANTI-ICE VALVE OPS CHECKED NORMAL AND OPERATED WITHIN ACCEPTABLE TIME PERIOD REF B737-800 FIM 30-21 TASK 803 AND B737-800 AMM 30-21-11.

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