# SDR AALA202312031932

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2023
- Submitted: December 3, 2023
- Operation: Air carrier
- Aircraft: [N164NN](https://openairdocs.org/aircraft/N164NN), registered now
- Make and model: Airbus A320*
- Aircraft serial: 6909
- Aircraft time: 22,781 hours, 8,873 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: AE1819B00
- Part serial: 2624
- Condition: Burned Out
- Location: Zone 100 - Fuse
- Stage of operation: CR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202312031932

## Discrepancy

AIRCRAFT WAS GROUNDED: AT CRUISE FL 280 , ELECTRICAL BURNING SMELL AND OVERHEAD VENTILATION BLOWER FAULT . THE SMELL DISSIPATE AFTER VENTILATION BLOWER WAS SWITCHED TO OVRD. MAINTENANCE REPLACED THE AVIONICS BLOWER FAN IAW AMM 21-26-51-4.

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