# SDR CA100831002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 6, 2010
- Submitted: January 4, 2011
- Operation: Air carrier
- Make and model: Aerosp ATR 42-320
- Registry model: [Aerosp ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320) (OpenAirDocs)
- Engine: Pwa PW121
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Regulator Valve
- Condition: Leaking
- Location: Engine Oil
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100831002

## Discrepancy

IFSD DURING FLIGHT AT FL190, CREW RECEIVED WARNING THAT ENGINE NR 2 HAD LOW OIL PRESSURE.  THE CREW ELECTED TO SHUTDOWN THE ENGINE INFLIGHT, AND THE ACFT DIVERTED.  LEAKAGE WAS DETERMINED TO ORIGINATE FROM A FAILED PACKING ON THE PRESSURE TRANSDUCER OUTLET PORT OF THE OIL PRESSURE REGULATING VALVE. THE PACKING WAS REPLACED AND ENGINE RUNS WERE CARRIED OUT AND NO MORE LEAKAGE WAS PRESENT.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.