# SDR SIMA20130304006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2013
- Submitted: March 8, 2013
- Operation: Air carrier
- Aircraft: N734EK
- Make and model: Emb EMB-135LR
- Registry model: [EMB EMB-135LR](https://openairdocs.org/model/embraer-emb-135lr) (OpenAirDocs)
- Aircraft serial: 145371
- Aircraft time: 25,864 hours, 23,074 cycles
- Engine: Allsn AE3007C
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Part number: 23073567
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CL
- 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/SIMA20130304006

## Discrepancy

FLIGHT 4486.  CREW REPORTED AFTER TAKEOFF, NOTICED A STRONG ENGINE OIL ODOR IN THE COCKPIT THRU NR 1 PACK.  NO ODOR WAS NOTICED IN CABIN.  ODOR DISSIPATED IN CRUISE BUT CAME BACK TOP OF DESCENT, THRUST LEVER AT IDLE.  ACFT REMOVED FROM SERVICE.      NR 1 ENGINE CARBON SEAL REPLACED.  PERFORMED ENGINE RUNS IAW  ETN-EM-72-034 AND NO FURTHER OIL ODOR NOTICED.  AIRCRAFT RETURNED TO SERVICE.

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