# SDR 04069402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2004
- Submitted: March 22, 2004
- Operation: Air carrier
- Aircraft: N402FJ
- Make and model: Dorner DO328300
- Aircraft serial: 3147
- Aircraft time: 7,598 hours, 7,642 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 42152
- Part serial: OZ83
- Condition: Inoperative
- Location: Hyd System
- Stage of operation: AP
- How discovered: O
- Nature of condition: S
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04069402

## Discrepancy

DURING APPROACH OF FLIGHT 6127 TO BOS CREW REPORTED A HYDRAULIC SYSTEM A FAILURE.  THE CREW MANUALLY DEPLOYED THE LANDING GEAR AND FLIGHT LANDED WITHOUT INCIDENT.  THE MAIN SYSTEM A PUMP WAS FOUND TO BE INOPERATIVE AND WAS REPLACED.  A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RETURNED TO SERVICE.

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