# SDR ASAA2012112093342

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2012
- Submitted: November 27, 2012
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 24,363 hours, 7,248 cycles
- System (JASC): [2820 · Aircraft Fuel Distribution System](https://openairdocs.org/jasc/2820)
- Part: Valve
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Part time: 19,176 hours, 5,732 cycles
- Stage of operation: TX
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012112093342

## Discrepancy

ON TOUCHDOWN SPAR VALVE CLOSED LIGHT ILLUMINATED AFTER 5-6 SECONDS LIGHT EXTINGUISHED.  NO ABNORMAL INDICATIONS.  VERIFIED WITH CREW NR 1 SPAR VALVE WAS THE AFFECTIVE UNIT.  R & R NR 1 SPAR VALVE IAW AMM 28-22-11-400-804. OPS CHECK OK IAW AMM 28-22-10-710-801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
