# SDR ARWA20040604

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 2004
- Submitted: June 29, 2004
- Operation: Air carrier
- Aircraft: [N345JW](https://openairdocs.org/aircraft/N345JW), registered now
- 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: 46042
- Aircraft time: 79,507 hours, 26,985 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Hydraulic System
- Condition: Contaminated
- Location: Nr 2
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20040604

## Discrepancy

PRIOR TO TOP OF DESCEND BOTH HYDRAULIC PUMPS OUTPUT PRESSURE ZERO.  AILERON AND RUDDER REVERSION LIGHTS ON.  COMPLETED EMERGENCY ABNORMAL HYDRAULIC CHECKLIST.  CHECKED A/C FOR HYDRAULIC LEAK, NO LEAKS NOTED.  INSPECTED MAIN HYDRAULIC CASE DRAIN FILTERS FOR CONTAMINATION, NO DEFECTS NOTED IN ACCORDANCE WITH DC8 MM 27-10-27 AND 29-10-17.  CHECKED HYDRAULIC BYPASS LEVER FOR DETENT AND RIGGING PER MM 29-10-18, FOUND AIR IN HYDRAULIC SYSTEMS, BLED AIR FROM NR 2 ENGINE DRIVEN PUMP AND FLIGHT CONTROLS IN ACCORDANCE WITH MM 71-00 AND PERFORMED OPERATIONAL CHECK OF HYDRAULIC PUMPS PER MM 29-30-0; VERIFIED PROPER OPERATION OF INDICATION IAW MM 29-20-0; PUMPS OPERATIONAL CHECK GOOD.

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