# SDR WX0A071772

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2013
- Submitted: December 10, 2013
- Operation: Air carrier
- Aircraft: N421NV
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53275
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Fcu
- Part number: 617750
- Part serial: A365CRC
- Condition: Leaking
- Location: Apu
- Stage of operation: NR
- 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/WX0A071772

## Discrepancy

BURNING SMELL FROM VENTS WHEN APU AIR SELECTED ON, APU FCU LEAKING FUEL.  R & R APU FCU IAW MM 49-30-01, OPERATIONS LEAK CHECKED GOOD.

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