# SDR AALA201606279005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 26, 2016
- Submitted: June 28, 2016
- Operation: Air carrier
- Aircraft: [N974UY](https://openairdocs.org/aircraft/N974UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4898
- Aircraft time: 16,888 hours, 6,232 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 164902454
- Condition: Failed
- Location: Zone 100
- Part time: 16,881 hours, 6,229 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/AALA201606279005

## Discrepancy

AIRCRAFT WAS GROUNDED:  UNUSUAL NOISE FROM BELOW FORWARD GALLEY FLOOR ACCOMPANIED BY ACRID ODOR IN COCKPIT.  MAINTENANCE FOUND THE AVIONICS BLOWER FAN, 20HQ, BEARINGS WORN, GRINDING.  REPLACED THE BLOWER FAN IAW AMM 21-26-51-400-001-A.  A SATISFACTORY OPS CHECK WAS ACCOMPLISHED.

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