# SDR C2XA05CL056

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2005
- Submitted: July 6, 2005
- Operation: Air carrier
- Aircraft: [N11113](https://openairdocs.org/aircraft/N11113), registered now
- Make and model: Emb EMB-145XR
- Registry model: [EMB EMB-145XR](https://openairdocs.org/model/embraer-emb-145xr) (OpenAirDocs)
- Aircraft serial: 145662
- Aircraft time: 7,092 hours, 3,786 cycles
- Engine: Allsn AE3007A
- Engine time: 7,109 hours, 3,800 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C2XA05CL056

## Discrepancy

THE CREW REPORTED SMOKE IN THE CABIN AT FL 200 FOLLOWED BY A LAV SMOKE WARNING.  THEY ALSO REPORTED SMOKE IN THE COCKPIT.  MAINTENANCE INSPECTED AND REPLACED THE NR 1 ENGINE.  OPERATIONAL CHECKS WERE GOOD. THE NR 4 CARBON SEAL WAS FOUND DETERIORATED CAUSING OIL TO LEAK BY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.