# SDR AALA202406031804

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2024
- Submitted: June 3, 2024
- Operation: Air carrier
- Aircraft: [N455AN](https://openairdocs.org/aircraft/N455AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10840
- Aircraft time: 8,336 hours, 2,243 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: VD390100
- Part serial: 21056698
- Condition: Defective
- Location: Recirculation
- Part time: 8,335 hours, 2,243 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202406031804

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED MILD TRANSIENT ODOR IN CABIN NEAR ROWS 16 AND 17.  ODOR COMBINATION OF ELECTRICAL, FOOD COOKING, AND BURNING DUST, NO HAZE VISIBLE, NOT ACRID, NO PASSENGER COMPLAINTS.  NO OBVIOUS SOURCE. MAINTENANCE NOTED A CLASS 2 STATUS MESSAGE TEMPERATURE CONTROL 2 ALONG WITH RECIRCULATION FAN 15HG FAULT MESSAGE DISPLAYED. MAINTENANCE NOTED A BURNING SMELL WHILE REPLACING THE FAN AND A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ODORS NOTED.

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