# SDR C2XA11CL195

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2011
- Submitted: August 31, 2011
- Operation: Air carrier
- Aircraft: [N21197](https://openairdocs.org/aircraft/N21197), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 1450947
- Aircraft time: 15,555 hours, 8,460 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Sensor
- Part number: FDS765A2
- Part serial: 204509
- Condition: Faulty
- Location: Lavatory
- Part time: 1,340 hours, 746 cycles
- Stage of operation: UK
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA11CL195

## Discrepancy

ORD FLT 6090 THE CREW REPORTED A LAV SMOKE WARNING MESSAGE IN FLIGHT WITH NO VISIBLE SMOKE.  MAINTENANCE INSPECTED AND REPLACED THE LAV SMOKE SENSOR.  OPERATIONAL CHECKS WERE GOOD.

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