# SDR 2004UALA00122

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2004
- Submitted: February 24, 2004
- Operation: Air carrier
- Aircraft: [N448UA](https://openairdocs.org/aircraft/N448UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 842
- Aircraft time: 20,029 hours, 7,019 cycles
- Engine: Iae V2527A5
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Condition: Overheated
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00122

## Discrepancy

RETURN TO FIELD DUE TO YELLOW HYDRAULIC SYSTEM OVERHEAT.  REPLACED THE YELLOW ELECTRIC PUMP CHECK VALVE 3083GM. CHECK VALVE WAS BROKEN INTERNALLY.

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