# SDR CALA2017010600021

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2017
- Submitted: January 6, 2017
- Operation: Air carrier
- Aircraft: [N496UA](https://openairdocs.org/aircraft/N496UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1845
- Aircraft time: 47,283 hours, 20,249 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 5200
- Condition: Faulty
- Location: E&E Bay
- Stage of operation: UK
- 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/CALA2017010600021

## Discrepancy

AVIONICS VENT EXHAUST FAN CB TRIPPED. SMOKE IN COCKPIT, FAN 18HQ FAULT CB POPPED COMPLIED WITH MEL CARD 2126AB. OK TO MEL FAN REPLACED AV EXHAUST FAN REF MM 21-26-51. TESTS GOOD.

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