# SDR HNAA0100075

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2001
- Submitted: November 20, 2001
- Operation: Air carrier
- Aircraft: [N917HA](https://openairdocs.org/aircraft/N917HA), registered now
- Make and model: Dhav DHC8102
- Aircraft serial: 075
- Aircraft time: 38,892 hours, 44,859 cycles
- System (JASC): [2923 · Hydraulic Pump, Auxiliary](https://openairdocs.org/jasc/2923)
- Part: Pump
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA0100075

## Discrepancy

DURING SINGLE ENGINE TAXI, NR 2 AC GENERATOR ON LINE, NR 1 STANDBY HYDRAULIC PUMP FAILED CAUSING LOSS OF NR 1 HYDRAULIC PRESSURE.  RECYCLED NR 2 AC GENERATOR, NR 1 STANDBY HYDRAULIC PUMP RETURNED TO NORMAL.  INSPECTED BRAKES AND HYDRAULIC SYSTEM, NO LEAKS NOTED.  STARTED AND TAXIED AIRCRAFT AROUND AIRPORT, COULD NOT DUPLICATE.

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