# SDR ASAA2023012541640

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2023
- Submitted: January 25, 2023
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 59,195 hours, 17,390 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Actuator
- Part number: MA30A1017
- Part serial: AA559879
- Condition: Faulted
- Location: Lt Spar Valve
- Part time: 16,007 hours, 4,686 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023012541640

## Discrepancy

ON LANDING SPAR VALVE CLOSED LIGHT ILLUMINATED BRIGHT BLUE REMAINED ON UNTIL APPROX 40 KTS. GROUNDED - YES.  REMOVED AND REPLACED THE #1 SPAR VALVE ACTUATOR. OPS CHECK GOOD. REF B737-800 AMM 28-22-11. (REF ASA LP 60117307)

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