# SDR WX0500036

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 27, 2005
- Submitted: March 30, 2005
- Operation: Air carrier
- Aircraft: [N861GA](https://openairdocs.org/aircraft/N861GA), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49557
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Pressure Switch
- Part number: 3732052
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- 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/WX0500036

## Discrepancy

LAS TO FNL - CREW REPORTED APU AUTO SHUTDOWN DUE TO LOW OIL PRESSURE IN FLIGHT.  AIRCRAFT RETURNED TO LAS AND LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED OIL PRESSURE LOW SWITCH IAW MM 49-90-03.  APU OPERATIONALLY CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.

---
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.