# SDR USAA2015033100009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 30, 2015
- Submitted: March 31, 2015
- Operation: Air carrier
- Aircraft: N547UW
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4893
- Aircraft time: 12,832 hours, 4,581 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Dirty
- Location: Demister
- Stage of operation: CL
- 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/USAA2015033100009

## Discrepancy

FLIGHT 2015 SENT AN ACARS MSG TO DISPATCH ADVISING THAT THERE WAS A SMELL OF FUMES IN THE COCKPIT AREA DURING CLIMB OUT.  THEY ALSO ADVISED THAT THE A FLIGHT ATTENDANT SMELLED THE SAME ODOR AS WELL.  IT WAS THEN DETERMINED THAT THE BEST ACTION WOULD BE TO RETURN & HAVE MX MEET THE ACFT.  THE FLIGHT RETURNED & LANDED WITHOUT INCIDENT.  THE FLIGHT WILL BE SWAPPED TO ANOTHER ACFT & OPERATE DELAYED.  ACCOMPLISHED THE CABIN AIR QUALITY TROUBLESHOOTING TASK CARD 26L0021001, CLEARED THE AVIONICS CHECK VLV IAW AMM 21-26-56-40-001-A & REPLACED THE DEMISTER FILTER IAW AM 21-26-43-400-003-A.  SEE USAA2015033100010.

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