# SDR WX0A2016072273178

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 2016
- Submitted: July 22, 2016
- Operation: Air carrier
- Aircraft: N402NV
- Make and model: Doug MD-88
- Registry model: [Doug MD-88](https://openairdocs.org/model/mcdonnell-douglas-md-88) (OpenAirDocs)
- Aircraft serial: 49763
- Aircraft time: 66,414 hours, 42,706 cycles
- Engine: Pwa JT8D219
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Relief Valve
- Part number: 811131
- Part serial: KH338
- Condition: Failed
- Location: Rt Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WX0A2016072273178

## Discrepancy

EMERGENCY DECLARED, AFTER TAKEOFF, OIL PRESSURE CLIMBED ABOVE 55 PSI REACHING A PSI OF 80, FOLLOWED EMERGENCY QRH PROCEDURES.  REPLACED NR 2 ENGINE OIL PRESSURE REGULATOR OPS AND LEAK CHECKS GOOD IAW MM 79-20-03-2-0.  REMOVED & REPLACED NR 2 ENGINE OIL PRESSURE RELIEF VALVE REF AMM 79-20-03-02 SEE LP 703073 FOR LEAK & OPS CHECK .

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