# SDR 2000UALA00799

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 21, 2000
- Submitted: January 12, 2001
- Operation: Air carrier
- Aircraft: [N821UA](https://openairdocs.org/aircraft/N821UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 944
- Aircraft time: 7,298 hours, 2,602 cycles
- Engine: Iae V2522A5
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Computer
- Condition: Failed
- Location: E/E Bay
- Component: Avionics Fan, Technofan, EVT3454G
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00799

## Discrepancy

DIVERTED DUE TO AN AVIONICS SMOKE WARNING.  *S/D*  REPLACED AVONICS EXTRACT FAN.  PERFORMED AVIONICS EQUIPMENT VENTILATION COMPUTER (AEVC) CHECK IN THE CENTRAL FAULT DISPLAY SYSTEM AND SYSTEM CHECKED OK.  ALSO REPLACED AEVC COMPUTER.  (PRECAUTIONARY)

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