# SDR DALA2025091706840

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2025
- Submitted: September 17, 2025
- Operation: Air carrier
- Aircraft: [N578DN](https://openairdocs.org/aircraft/N578DN), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 11812
- Aircraft time: 5,602 hours, 1,449 cycles
- Engine: Iae PW1133GAJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025091706840

## Discrepancy

DIRTY SOCK ODOR ON SHORT FINAL, SMELL IS IN THE BACK OF AIRCRAFT.   FOUND OIL DRIPPING FROM NR 2 ENGINE SPINNER REAR CONE AND OIL POOLING INSIDE SPINNER. REMOVED AND REPLACED FAN SHAFT COVER SEAL PER A321 AMM 72-15. PERFORMED LEVEL "B" DECONTAMINATION OF ECS SYSTEM. (LP 7774614)

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