# SDR ABXA9701454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N815AX
- 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: 46097
- Engine: Pwa JT3D7
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Oil Press Vlv
- Part number: K0098C
- Condition: Defective
- Location: Nr 4 Engine
- Stage of operation: DE
- Nature of condition: N
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA9701454

## Discrepancy

DURING DESCENT, NR 4 ENGINE OIL PRESSURE DROPPED TO 32 PSI AND LOW OIL PRESSURE LIGHT CAME ON, QTY AND TEMP WERE OK.  SECURED NR 4 ENGINE.  REPLACED OIL PRESSURE RELIEF VALVE SEAT AND SPRINGS IAW DC8 MM CH 80.  RAN ENGINE, OPS CHECK AND LEAK CHECKED GOOD IAW DC8 MM 79-00.

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