# SDR ASAA2023102145774

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2023
- Submitted: October 23, 2023
- Operation: Air carrier
- Aircraft: [N936AK](https://openairdocs.org/aircraft/N936AK), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43379
- Aircraft time: 5,343 hours, 1,579 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: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023102145774

## Discrepancy

WHEN ACTIVATING WING HEAT THE "L VALVE" AMBER LIGHT ILLUMINATED. GROUNDED - YES. ACCOMP WING THERMAL ANTI-ICE VALVE OPS CHECK ON BOTH 3 TIMES ALL PASS REF B737-9 AMM 30-11-11-860-034.

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