# SDR ABXA050093

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2005
- Submitted: April 20, 2005
- Operation: Air carrier
- Aircraft: N817AX
- Make and model: Doug DC-8-63
- Registry model: [Doug DC-8-63](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63) (OpenAirDocs)
- Aircraft serial: 45928
- Aircraft time: 84,441 hours, 27,411 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Failed
- Location: Control Valve
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA050093

## Discrepancy

OUT OF MSP ENROUTE TO ILN, THE CREW REPORTED HYDRAULIC QUANTITY LOSS DOWN TO THE STANDPIPE.  FOUND O-RING ON SLOT CONTACT VALVE BLOWN.  REMOVED AND REPLACED O-RINGS ON SLOT CONTROL VALVE AS REQUIRED.  MOVED ALL FLIGHT SURFACES SEVERAL CYCLES.  SERVICED HYDRAULICS TO MAXIMUM.  NO LEAKS NOTED FROM RIGHT MANIFOLD.

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