# SDR DALA2025062204662

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 20, 2025
- Submitted: June 22, 2025
- Operation: Air carrier
- Aircraft: [N510DE](https://openairdocs.org/aircraft/N510DE), 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: 10828
- Aircraft time: 12,435 hours, 3,024 cycles
- Engine: Iae PW1133GJM
- System (JASC): [7900 · Engine Oil System (Airframe Furnished)](https://openairdocs.org/jasc/7900)
- Part: O-Ring
- 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/DALA2025062204662

## Discrepancy

AIRCRAFT 5010, DIRTY SOCK SMELL DESCENDING THROUGH 5000 IDLE THRUST. CORRECTIVE ACTION: NBR 2 ENGINE FOUND OIL PUDDLE AT THE BASE OF THE FAN HUB. CLEANED EXCESS OIL AND REPLACED O-RING ON THE FAN SHAFT COVER IAW AIRBUS AMM 72-15. ALSO REPLACED BOTH RECIRC FILTERS IAW AIRBUS AMM 21-21. NBR 1 ENGINE REPLACED FAN SHAFT COVER O'RING. (LP 7077807)

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