# SDR 2004UALA00416

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2004
- Submitted: May 5, 2004
- Operation: Air carrier
- Aircraft: [N924UA](https://openairdocs.org/aircraft/N924UA), registered now
- Make and model: Boeing 737522
- Aircraft serial: 26645
- Aircraft time: 34,104 hours, 25,553 cycles
- Engine: Ge CFM56*
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Malfunctioned
- Location: A System
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00416

## Discrepancy

FLIGHT RETURNED TO THE FIELD WITH A LOSS OF THE A SYSTEM HYDRAULIC PRESSURE. REPLACED THE NR 1 ENGINE DRIVEN HYDRAULIC PUMP.

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