# SDR 04045423

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2004
- Submitted: February 23, 2004
- Operation: Air carrier
- Aircraft: N423FJ
- Make and model: Dorner DO328300
- Aircraft serial: 3181
- Aircraft time: 5,859 hours, 6,157 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 42152
- Condition: Failed
- Location: Hyd System
- Stage of operation: UK
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04045423

## Discrepancy

DURING AIRCRAFT OPERATION THE CREW REPORTED A HYDRAULIC PUMP-A FAILED.  THE HYDRAULIC PUMP WAS FOUND FAULTY AND REPLACED.  A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RETURNED TO SERVICE.

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