# SDR ARWA20020705

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2002
- Submitted: July 22, 2002
- Operation: Air carrier
- Aircraft: N810BN
- Make and model: Doug DC-8-62F
- Registry model: [Doug DC-8-62F](https://openairdocs.org/model/douglas-dc-8-62f) (OpenAirDocs)
- Aircraft serial: 45905
- Aircraft time: 83,057 hours, 27,110 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Defective
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20020705

## Discrepancy

APPROXIMATELY ONE AND HALF (1.5) HOURS AFTER TAKE OFF, HYDRAULIC QUANTITY DROPPED TO THE STAND PIPE.  FOUND DEFECTIVE O-RING ON ENGINE DRIVEN PUMP PRESSURE LINE FITTING RT ENGINE DRIVEN PUMP.  REMOVED AND REPLACED O-RING IAW MM 29-10-12; OPS CHECKED NORMAL ON ENGINE RUN-UP AND NO LEAKS FOUND.  ALSO SERVICED HYDRAULIC RESERVOIR BLEED SYSTEM SEVERAL TIMES DURING ENGINE RUN-UP IAW MM 12-30-1 & 71-00.  AIRCRAFT RETURNED TO SERVICE.

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