# SDR AALA2020021109065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 8, 2020
- Submitted: February 13, 2020
- Operation: Air carrier
- Aircraft: [N920US](https://openairdocs.org/aircraft/N920US), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6490
- Aircraft time: 17,945 hours, 6,938 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 164905613
- Condition: Failed
- Location: Extract
- Part time: 17,980 hours, 6,952 cycles
- Stage of operation: NR
- 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/AALA2020021109065

## Discrepancy

AIRCRAFT WAS GROUNDED: VENT EXTRACT FAN WITH ACCOMPANYING ELECTRIC BURN SMELL.  REPLACED EXTRACT FAN IAW 21-26-51.***(CLOSED)

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