# SDR USAA2009122993443

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 28, 2009
- Submitted: December 30, 2009
- Operation: Air carrier
- Aircraft: [N179UW](https://openairdocs.org/aircraft/N179UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1521
- Aircraft time: 30,481 hours, 10,930 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 4777
- Condition: Defective
- Location: E&E Bay
- Part time: 30,481 hours, 10,930 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009122993443

## Discrepancy

FLT 1546 PHX-CLT - SMOKE SMELL - ON SHORT FINAL, BLOWER / EXTRACT FAN CAME ON, LOUD NOISE WAS HEARD AND ELECTRICAL SMOKE SMELL WAS DETECTED.  MAINTENANCE REMOVED & REPLACED THE AVIONICS EXTRACT FAN IAW AIRBUS MAINTENANCE MANUAL 21-26-51.

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