# SDR ASAA2017111222549

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2017
- Submitted: November 14, 2017
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 43,198 hours, 12,710 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Actuator
- Part number: MA30A1017
- Part serial: AA608850
- Condition: Failed
- Location: Spar
- Part time: 2,765 hours, 852 cycles
- Stage of operation: LD
- 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/ASAA2017111222549

## Discrepancy

LEFT SPAR VALVE LIGHT ILLUMINATED BRIGHT ON LANDING, WENT OFF AFTER 20 SECONDS.  ACFT GROUNDED. REMOVED AND REPLACED LEFT SPAR VALVE ACTUATOR IAW AMM 28-22-11. GROUND VERIFICATION ACCOMPLISHED OPS CHECK GOOD.

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