# SDR DALA2025010300064

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2025
- Submitted: January 3, 2025
- Operation: Air carrier
- Aircraft: [N320DN](https://openairdocs.org/aircraft/N320DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7546
- Aircraft time: 23,739 hours, 10,666 cycles
- Engine: Cfmint CFM565B32P
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Engine
- 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/DALA2025010300064

## Discrepancy

AIRCRAFT 3020, ON SHORT FINAL, STRONG DIRTY SOCK SMELL/ FUMES. ODOR STARTED AT 5,000 FT. ODOR WENT AWAY AFTER LANDING. ENG 1&2 BLEED WERE ON APU OFF. ODOR ONLY PRESENT INFLIGHT DECK. SEEM TO BE COMING OUT OF AIR VENTS. CORRECTIVE ACTION: DETERMINED SMELL COMING FORM OIL LEAK. ENGINE FOUND RESIDUE FROM BOTH ENG FAN DISK SEALS. REPLACED FAN DISK SEALS. REPLACED RECIRCULATION FAN FILTERS. (LP 6397010)

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