# SDR ABXA060159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2006
- Submitted: April 12, 2006
- Operation: Air carrier
- Aircraft: N826AX
- Make and model: Doug DC-8-63F
- Registry model: [Doug DC-8-63F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f) (OpenAirDocs)
- Aircraft serial: 46061
- Aircraft time: 77,043 hours, 27,815 cycles
- System (JASC): [2923 · Hydraulic Pump, Auxiliary](https://openairdocs.org/jasc/2923)
- Part: Pump
- Part number: 57155A
- Part serial: 242890
- Condition: Leaking
- Location: Rudder
- Stage of operation: DE
- How discovered: O
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA060159

## Discrepancy

LOSS OF HYDRAULIC QUANTITY NOTED DURING DESCENT.  FOUND STANDBY RUDDER PUMP OVERBOARD DRAIN LEAKING.  REMOVED AND REPLACED STANDBY RUDDER PUMP IAW D8C MM 27-24-02.  ALSO, CHECKED BYPASS LINE CHECK VALVE OPERATION.  OPERATED NORMALLY.  REINSTALLED CHECK VALVE.  SYSTEM OPS CHECKED GOOD.

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