# SDR DALA2025073105729

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2025
- Submitted: July 31, 2025
- Operation: Air carrier
- Aircraft: [N543DE](https://openairdocs.org/aircraft/N543DE), 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: 11553
- Aircraft time: 8,553 hours, 2,033 cycles
- Engine: Iae PW1133GAJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Spinner
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: NR
- 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/DALA2025073105729

## Discrepancy

FA REPORTS DIRTY SOCK SMELL IN COMFORT PLUS WHILE DESCENDING THROUGH 11,000 FEET. PERFORMED SMOKE CHECKLIST IN E-QRH. FA REPORTED SMELL DISSIPATED APPROXIMATILY 2 MINUTES LATER. FOUND OIL IN #1 ENG SPINNER. REMOVED AND REPLACED #1 ENG FAN SHAFT COVER SEAL IAW A321 AMM 72-15-00. LEAK CHECK GOOD. PERFORMED LEVEL B ECS CONTAMINATION REMOVAL. (LP 7770674)

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