# SDR AALA202101119016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2021
- Submitted: January 12, 2021
- Operation: Air carrier
- Aircraft: [N651AW](https://openairdocs.org/aircraft/N651AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 866
- Aircraft time: 76,133 hours, 29,499 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 4114
- Condition: Failed
- Location: Zone 100  Fuse
- Part time: 68,928 hours, 27,022 cycles
- Stage of operation: DE
- 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/AALA202101119016

## Discrepancy

AIRCRAFT WAS GROUNDED.  ON THE DESCENT FORWARD FLIGHT ATTENDANT AND PILOTS HEARD A HIGH PITCH WHINE.  FLIGHT ATTENDANT REPORTS FEELING A VIBRATION AN THE FLOOR AT DOOR R1.  PILOTS POSSIBLY SMELLED SOMETHING LIKE HOT PLASTIC FOR A COUPLE OF MINUTES.  FOUND EXTRACT FAN BAD.  REMOVED AND REPLACED AVIONICS EXTRACT FAN, PER AMM 21-26-51-000-001-A.

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