# SDR YENA201707050558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2017
- Submitted: July 6, 2017
- Operation: Air carrier
- Aircraft: [N537JT](https://openairdocs.org/aircraft/N537JT), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1785
- Aircraft time: 55,128 hours, 19,449 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Failed
- Location: Extract
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA201707050558

## Discrepancy

WITHIN A FEW MINUTES DURING CRUISE AT FL 370, A VIBRATION AND DULL NOISE BEGAN.  IT WAS SHORTLY FOLLOWED WITH A METAL BURNING ODOR. RECEIVED A VENT EXTRACT FAULT.  EXTRACT WAS SET TO OVERRIDE, DIVERTED AND LANDED.  PERFORMED CABIN ODOR OR SMOKE INSPECTION IAW AMM 05-50-810-831-A. CONFIRMED EXTRACT FAN AT FAULT.  R & R EXTRACT FAN 18HQ IAW AMM 21-26-51. NO LEAKS NOTED.

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