# SDR SIMA20120918002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 18, 2012
- Submitted: September 19, 2012
- Operation: Air carrier
- Aircraft: [N600BP](https://openairdocs.org/aircraft/N600BP), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145044
- Aircraft time: 34,741 hours, 29,296 cycles
- Engine: Rroyce AE3007A12
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Part number: 23073567
- Condition: Defective
- Location: Lt Engine
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20120918002

## Discrepancy

ON FLIGHT 4086 WHILE DESCENDING INTO ORD THE CREW NOTICED A WET SOCK ODOR.  THE ODOR WAS ONLY NOTICED IN THE COCKPIT.  THE AIRCRAFT LANDED WITHOUT INCIDENT.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE 0 CARBON SEAL ON THE LEFT ENGINE IAW RR MM 72-25-25.  NO MORE "WET SOCK SMELL" NOTICED AT THIS TIME.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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