# SDR CKSA98208

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N817CK
- Make and model: Doug DC-8-61
- Registry model: [Doug DC-8-61](https://openairdocs.org/model/douglas-dc-8-61) (OpenAirDocs)
- Aircraft serial: 45887
- System (JASC): [2710 · Aileron Control System](https://openairdocs.org/jasc/2710)
- Part: Power Contl Vlv
- Part number: 57147155508
- Condition: Failed
- Location: Rt Aileron
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CKSA98208

## Discrepancy

MAN RUDDER AND AILERON LIGHTS CAME ON IN FLIGHT ALONG WITH RES PRESS LOW LIGHT HYD QTY DROPPED DOWN 1/3 FROM FULL.  LOST ALL HYD PRESS.  PERFORMED ABNORMAL HYDRAULICS THEN EMERGENCY HYDRAULIC CHECKLIST ACCORDING TO FOM.  MADE 0 FLAP LANDING SFO.  REMOVED AND REPLACED RT INBD AILERON PCV ASSY PER MM 27-10, OPS AND LEAK CHECK OK.  HYDRAULICS SERVICED AND BLED.

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