# SDR DALA2025122209278

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2025
- Submitted: December 22, 2025
- Operation: Air carrier
- Aircraft: [N503DZ](https://openairdocs.org/aircraft/N503DZ), 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: 10974
- Aircraft time: 15,110 hours, 3,648 cycles
- Engine: Iae PW1133GJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Oil System
- Condition: Leaking
- Location: Nr 2 Engine
- Stage of operation: CR
- 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/DALA2025122209278

## Discrepancy

DIV TO MSY DUE TO CREW REPORTS ODOR IN AFT GALLEY. PERFORMED BSI OF NR 2 ENGINE LCP AND HPC PER W/C 7100-2018. FOUND OIL WETTING EVIDENCE AT HPC STAGE 4 & 5. REPLACED NR 2 ENGINE. (LP 7987638)

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