# SDR AALA202412026856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2024
- Submitted: December 2, 2024
- Operation: Air carrier
- Aircraft: [N154UW](https://openairdocs.org/aircraft/N154UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5644
- Aircraft time: 35,045 hours, 14,612 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Leaking
- Location: Apu
- Part time: 36,459 hours, 15,156 cycles
- Stage of operation: AP
- 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/AALA202412026856

## Discrepancy

AIRCRAFT WAS GROUNDED: DIRTY SOCK SMELL IN FLIGHT DECK DURING FINAL APPROACH, NO REPORTS OF ODOR IN THE CABIN.   MAINTENANCE FOUND THE APU LEAKING OIL AT THE V BAND SEAL  AND REPLACED IT PER TASK CARD 26L31049003. A DECONTAMINATION OF THE ENVIRONMENTAL CONTROL SYSTEM WAS ACCOMPLISHED ALONG WITH SATISFACTORY LEAK/ OPERATIONAL CHECK. ** (CLOSED)

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