# SDR DXTA200501012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2005
- Submitted: October 12, 2005
- Operation: Air carrier
- Aircraft: [N893QS](https://openairdocs.org/aircraft/N893QS), registered now
- Make and model: Raythn HAWKER800XP
- Aircraft serial: 258393
- Aircraft time: 5,709 hours, 4,154 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Condition: Odor
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA200501012

## Discrepancy

TEN SECONDS AFTER STARTING THE APU ON SHORT FINAL, RECEIVED A MASTER WARNING AND SMELLED A HOT ELECTRICAL ODOR AND THE APU DID NOT AUTO SHUTDOWN.  SHUTDOWN THE APU MANUALLY, THE ODOR WENT AWAY.  ITEM IS UNDER INVESTIGATION.

---
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.