# SDR DALA2026090304988

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2026
- Submitted: September 4, 2026
- 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: 12,952 hours, 3,160 cycles
- Engine: Iae PW1133GAJM
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Condition: Leaking
- Location: Fan Cover
- Stage of operation: DE
- 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/DALA2026090304988

## Discrepancy

FUMES REPORTED,  DIRTY SOCK ODOR AT TOP OF DESCENT THROUGH LANDING.  DETECTED BY FLIGHT ATTENDANTS.   FOUND FAN SHAFT COVER ON NR 2 ENGINE LEAKING., REPLACED O-RING & LEAK CHECKED IAW AMM 72-15-00-960-801-A. NO LEAKS FOUND. PERFORMED LEVEL B DECONTAMINATION IAW W/C 7100-2018-02. (LP 8547458, 1789586 - AIRCRAFT WAS GROUNDED)

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