# SDR AALA202510177243

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2025
- Submitted: October 17, 2025
- Operation: Air carrier
- Aircraft: [N587UW](https://openairdocs.org/aircraft/N587UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6236
- Aircraft time: 35,513 hours, 14,726 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Cooling Fan
- Condition: Odor
- Location: Apu
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202510177243

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING DECENT DETECTED A FAINT PLASTIC SMELL IN THE ENTIRE AIRCRAFT.  ODOR DISPUTED, THEN INCREASED, AND DISSIPATED.  CONFIRMEDBY ALL FOUR FLIGHT ATTENDANTS.  APU COOLING FAN REPLACED IAW AMM49-52-51,

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