# SDR AALA201702089011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2017
- Submitted: February 10, 2017
- Operation: Air carrier
- Aircraft: [N919US](https://openairdocs.org/aircraft/N919US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6479
- Aircraft time: 6,908 hours, 2,724 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: O-Ring
- Part number: M832481035
- Condition: Leaking
- Location: Fuel Filter
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201702089011

## Discrepancy

STRONG ODOR FUEL WHEN APU BLEED TURNED ON.  FUEL LEAK FOUND AT APU FUEL FILTER HOUSING. REPLACED APU FUEL FILTER HOUSING O-RING IAW AMM 49-32-41.

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