# SDR ASAA2023080644446

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2023
- Submitted: August 7, 2023
- Operation: Air carrier
- Aircraft: [N961AK](https://openairdocs.org/aircraft/N961AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 63562
- Aircraft time: 1,610 hours, 474 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023080644446

## Discrepancy

R VALVE WING ANTI ICE DOES NOT ACTIVATE TO COMMANDED POSITION. GROUNDED - YES. ACCOMPLISHED WING THERMAL ANTI ICE VALVE OPS TEST W / APU BLEED AIR, ACCOMPLISHED TEST THREE TIMES AND "R" VALVE WING ANTI ICE OPERATED NORMALLY ALL THREE TIMES, NO DEFFECTS NOTED, A/C CHECKS GOOD FOR SERVICE, NO HISTORY 30 DAYS, REF 30-11-11-710-801.

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