# SDR DALA2025110408055

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2025
- Submitted: November 4, 2025
- Operation: Air carrier
- Aircraft: [N350DN](https://openairdocs.org/aircraft/N350DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 8207
- Aircraft time: 23,649 hours, 10,174 cycles
- Engine: Cfmint CFM565B33
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025110408055

## Discrepancy

ATB- RETURNED TO FLL FOR MUSTY SMELL IN COCKPIT AFTER TAKEOFF.   FOUND OIL BEHIND #2 ENGINE NOSE SPINNER, REPLACED NBR 2 ENGINE LPT SHAFT PLUG O'RINGS. COMPLIED WITH ENGINE 2 DECONTAMINATION OF BLEED AIR DUCTING SYSTEM PER A321 AMM 36-11-00-615-801-A01 AND ECS PER A321 AMM 21-00-00-615-803-A. (LP 7761230)

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