# SDR AALA202608132921

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2026
- Submitted: August 13, 2026
- Operation: Air carrier
- Aircraft: [N539UW](https://openairdocs.org/aircraft/N539UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4082
- Aircraft time: 52,291 hours, 21,062 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: A/C Pack
- Condition: Odor
- Location: Zone 100
- 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/AALA202608132921

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED TO CLT DUE TO THE FLIGHT CREW REPORTING A FUME EVENT STARTING AT SEAT ROW 32 AND EXTENDING AFT WHICH WAS DESCRIBED AS A VERY STRONG SMELL OF DEICING FLUID BY THE FLIGHT ATTENDANTS - THE FLIGHT CREW ACCOMPLISHED THE QRH FUME PROCEDURES AND THE SMELL DISSIPATED EVENTUALLY ONCE PACK 2 WAS TURNED OFF - THE AIRCRAFT LANDED SAFELY AT CLT AT TAXIED TO THE GATE UNDER ITS OWN POWER - MAINTENANCE ACCOMPLISHED JOB CARD 26L00021001 AND MAINTENANCE REPORTED THAT THE APU COMPARTMENT WAS CLEAN AND NO FINDINGS WERE NOTED - MAINTENANCE COMPLETED AN ISOLATION RUN WITH NO FINDINGS NOTED

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