# SDR ASAA2019071029989

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2019
- Submitted: July 11, 2019
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 42,580 hours, 12,882 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Pressure Switch
- Part number: 21C1322
- Condition: Failed
- Location: Fuel Tank
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019071029989

## Discrepancy

PILOT REPORTED CTR TANK LT LOW PRESS LIGHT SWITCH ILLUMINATED. GROUNDED - YES. REMOVED AND REPLACED CTR FUEL TANK LT LOW PRESS SWITCH, OPS/LEAK GOOD REF AMM 28-42-11-420-801.

---
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.