# SDR ASOA04771

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2004
- Submitted: November 4, 2004
- Operation: Air carrier
- Aircraft: [N823AS](https://openairdocs.org/aircraft/N823AS), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7196
- Engine: Ge CF343B1
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: O-Ring
- Part number: S9412138
- Condition: Leaking
- Location: Apu
- Component: Apu
- Component part number: 38004883
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA04771

## Discrepancy

DURING CRUISE, THE CREW NOTICED A SUBTLE ODOR OF FUEL/OIL PERMEATING THE COCKPIT AND CABIN.  THE AIRCRAFT LANDED SAFELY.  UPON INSPECTION FUEL WAS FOUND LEAKING FROM THE AUSILIARY POWER UNIT(APU).  MAINTENANCE REMOVED AND REPLACED THE APU FUEL FILTER HOUSTIN O-RING.  OPS AND LEAK CHECKS GOOD.  AIRCRAFT OK FOR 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.
