# SDR UALA2009031800820

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2009
- Submitted: March 20, 2009
- Operation: Air carrier
- Aircraft: [N849UA](https://openairdocs.org/aircraft/N849UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1649
- Aircraft time: 25,758 hours, 10,093 cycles
- Engine: Iae V2522A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Bypass Valve
- Part number: 114087006
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2009031800820

## Discrepancy

HYD SYSTEM WENT TO ZERO AT 4000 FT.  RTFL.  REPLACED MLG BYPASS VALVE.  LEAK CHECK GOOD.

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