# SDR AALA202410073575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2024
- Submitted: October 7, 2024
- Operation: Air carrier
- Aircraft: [N582UW](https://openairdocs.org/aircraft/N582UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6175
- Aircraft time: 33,578 hours, 13,760 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Vent Line
- Part number: 707236001
- Condition: Leaking
- Location: Apu
- Component: Apu, Hnywl, 1319A
- Component part number: 38007081
- Stage of operation: DE
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202410073575

## Discrepancy

FLIGHT ATTENDANTS IN REAR OF AIRCRAFT REPORTED AN ODOR DURING DESCENT AND DURING DEPLANING. ODOR HAD A PUNGENT CHARACTERISTIC WITH MILD IRRITATION. MAINTENANCE REPLACED THE GEARBOX VENT LINE AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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