# SDR ASAA1159081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2011
- Submitted: March 1, 2011
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 16,623 hours, 5,004 cycles
- System (JASC): [3010 · Airfoil Anti/De-ice System](https://openairdocs.org/jasc/3010)
- Part: Anti-Ice Valve
- Part number: 672906002
- Part serial: 3986
- Condition: Failed
- Location: Lt Wing
- Part time: 16,623 hours, 5,004 cycles
- 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/ASAA1159081

## Discrepancy

WING ANTI ICE IS NOT OPERATING PER FLT OPS CHECKLIST PG 7.000 P 33 SIMULATING DUCT OVERTEMP CONDITION.  REPLACED LT ANTI ICE VALVE WING ANTI ICE TESTED GOOD PER AMM 30 11 11 000 801.

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