# SDR CALA2017012200152

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2017
- Submitted: January 22, 2017
- Operation: Air carrier
- Aircraft: [N839UA](https://openairdocs.org/aircraft/N839UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 1507
- Aircraft time: 51,873 hours, 21,921 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Line
- Condition: Unsecure
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017012200152

## Discrepancy

MUSTY ALMOST METALLIC SMELL NOTED IN DESCENT. SUSPECT SOMETHING LEAKING INTO BLEED SYSTEM. TROUBLESHOT SMELL TO APU BLEED. FOUND OIL SCAVENGE LINES TO AFT BEARING ON APU LEAKING OIL. SECURED LINES AND CLEANED AREA. RAN APU AND PACKS TILL SMELL DISSIPATED.

---
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.
