# SDR UALA2012051002681

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2012
- Submitted: July 10, 2012
- Operation: Air carrier
- Aircraft: [N821UA](https://openairdocs.org/aircraft/N821UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 944
- Aircraft time: 46,219 hours, 18,457 cycles
- Engine: Iae V2522A5
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Failed
- Location: Hyd System
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012051002681

## Discrepancy

NOSE WHEEL STEERING SYS UNRESPONSIVE THRU TILLER PROG TEXT.  REPLACED CHECK VALVE ELECTRIC PUMP.  SERVICED YELLOW HYD SYSTEM TO FULL.  OPS CHECKED NORMAL. REF AMM 29-2 4-21.

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