# SDR HNAA0400159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2004
- Submitted: November 4, 2004
- Operation: Air carrier
- Aircraft: N937HA
- Make and model: Dhav DHC8102
- Aircraft serial: 148
- Aircraft time: 41,437 hours, 46,347 cycles
- System (JASC): [2914 · Hydraulic Handpump, Main](https://openairdocs.org/jasc/2914)
- Part: Pump
- Part number: 570347
- Part serial: MX484348D
- Condition: Failed
- Location: Nr 1 Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA0400159

## Discrepancy

NR 1 EDP HYD PUMP FAILED AFTER T/O 20 MILES NORTH OF SBY, EXPERIENCED NR 1 HYD SYSTEM QUANTITY AND PRESS LOSS.  REMOVED AND REPLACED R HYD PUMP AND HYDRAULIC LINE P/N 82970010-477.

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