# SDR AALA201710059010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2017
- Submitted: October 6, 2017
- Operation: Air carrier
- Aircraft: [N578UW](https://openairdocs.org/aircraft/N578UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6035
- Aircraft time: 12,583 hours, 4,950 cycles
- Engine: Iae V2533A5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: O-Ring
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201710059010

## Discrepancy

UNUSUAL ODOR DETECTED NEAR MID CABIN LAVATORY ROWS 18 TO 22 AT LEVEL OFF AND CRUISE.  SLOWLY DISSIPATED. ODOR RESUMED DURING DESCENT AND POWER CHANGES.   FOUND THE NR 1 ENGINE SERVICE COUPLING LEAKING. REMOVED AND REPLACED THE O-RING,  CLEANED AND RE-INSTALLED.  NO LEAKS NOTED.

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