# SDR AALA202601237259

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 2026
- Submitted: January 23, 2026
- Operation: Air carrier
- Aircraft: [N584UW](https://openairdocs.org/aircraft/N584UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6194
- Aircraft time: 36,195 hours, 14,880 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Apu
- Part number: 38007081
- Part serial: P5209
- Condition: Contaminated
- Location: Zone 100
- Part time: 39,291 hours, 16,243 cycles
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601237259

## Discrepancy

AIRCRAFT WAS GROUNDED: FLIGHT CREW REPORTED A STRONG WET SOCK ODOR FROM 10K FEET TO THE GATE. **SUPPLEMENTAL REPORT FOR AALA202601127259 SUBMITTED 1/12/2026 BY TUL: MAINTENANCE FOUND RESIDUAL OIL IN THE APU INLET AND V-BAND AREA, CLEANED APU AND ACCOMPLISHED A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM PER TASK CARD 26L00021014. WITH NO LEAKS OR ODORS NOTED. ** (CLOSED)

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