# SDR AALA201601319005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2016
- Submitted: February 1, 2016
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 10,552 hours, 4,342 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: EVT3454HC
- Part serial: 164903484
- Condition: Defective
- Location: Zone 100
- Part time: 10,552 hours, 4,342 cycles
- 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/AALA201601319005

## Discrepancy

DIVERTED & ACFT WAS GNDED.  VENT EXTRACT FAULT.  RUMBLE & BURNT BEARING SMELL WAS NOTED DURING FLIGHT.  CREW DECLARED AN EMER & DIVERTED WHERE THE ACFT LANDED WITHOUT FURTHER INCIDENT.  REPLACED THE EXTRACT FAN & ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK IAW AMM 21-26-51.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.