# SDR 2018FA0000424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 2018
- Submitted: October 17, 2018
- Operation: General aviation
- Aircraft: [N782LU](https://openairdocs.org/aircraft/N782LU), registered now
- Make and model: Piper PA-44-180
- Registry model: [Piper PA-44-180](https://openairdocs.org/model/piper-pa-44-180) (OpenAirDocs)
- Aircraft serial: 4496372
- Aircraft time: 2,017 hours
- Engine: Lyc LO360A1H6
- Engine time: 17 hours
- System (JASC): [8550 · Reciprocating Engine Oil System](https://openairdocs.org/jasc/8550)
- Part: Relief Valve
- Condition: Obstructed
- Location: Rt Engine
- Part time: 17 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: C
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2018FA0000424

## Discrepancy

DURING FLIGHT, FLIGHT CREW GOT A RT ENGINE LOW OIL PRESSURE WARNING AND MASTER CAUTION.  CREW RETURNED AIRCRAFT IMMEDIATELY TO BASE.  UPON TROUBLE SHOOTING IT WAS DISCOVERED THAT A SMALL WASHER WAS LODGED IN THE RT ENGINE OIL PRESSURE RELIEF VALVE.

---
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.