# SDR DALA2018051603387

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 16, 2018
- Submitted: May 17, 2018
- Operation: Air carrier
- Aircraft: [N373NW](https://openairdocs.org/aircraft/N373NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 1641
- Aircraft time: 49,929 hours, 22,829 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Switch
- Condition: Failed
- Location: Hyd System
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2018051603387

## Discrepancy

HYD B RESERVOIR LOW LEVEL.  FOUND BLUE SYSTEM HYDRAULIC RESERVOIR FULL, ACCUMULATOR CHARGE GOOD, HEAD PRESSURE GOOD, AND NO EXTERNAL LEAKAGE. REPLACED BLUE SYSTEM LOW LEVEL SWITCH, OPERATION AND LEAK CHECK GOOD. OK FOR SERVICE.

---
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.