# SDR ABXA00373

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 9, 2000
- Submitted: August 11, 2000
- Operation: Air carrier
- Aircraft: N826AX
- 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: 46061
- Aircraft time: 72,508 hours, 25,075 cycles
- Engine: Pwa JT3D7
- Engine time: 12,010 hours, 582 cycles
- System (JASC): [7931 · Engine Oil Pressure](https://openairdocs.org/jasc/7931)
- Part: Pressure Switch
- Part number: 42D491C
- Part serial: 6202
- Condition: Malfunctioned
- Location: Nr 4 Engine
- Part time: 3,565 hours, 1,640 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: N
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA00373

## Discrepancy

AFTER LEVEL-OFF AT FL 350, NR 4 ENGINE OIL PRESSURE LIGHT STARTED FLICKERING WITH SHORT PERIODS OF BEING ON STEADY.  RETARDED NR 4 THROTTLE AND LOW PRESSURE LIGHT REMAINED ONSTEADY.  SHUT NR 4 ENGINE DOWN.  REPLACED OIL DIFFERENTIAL PRESSURE SWITCH.  OPS CHECKED GOOD.

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