# SDR SIMA20121115003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 15, 2012
- Submitted: November 16, 2012
- Operation: Air carrier
- Aircraft: [N857AE](https://openairdocs.org/aircraft/N857AE), registered now
- Make and model: Emb EMB-135KL
- Registry model: [EMB EMB-135KL](https://openairdocs.org/model/embraer-emb-135kl) (OpenAirDocs)
- Aircraft serial: 145752
- Aircraft time: 22,138 hours, 19,621 cycles
- Engine: Rroyce AE3007A12
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Carbon Seal
- Part number: 23073567
- Condition: Unserviceable
- Location: Rt Engine
- Stage of operation: IN
- 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/SIMA20121115003

## Discrepancy

DURING MAINTENANCE DETERMINED THAT AN OIL SMELL APPEARED TO BE COMING FROM THE NR 2 ENGINE.  THE AIRCRAFT WAS REMOVED FROM SERVICE.  REMOVED AND REPLACED THE NR 2 ENGINE ZERO CARBON SEAL IAW RRMM 72-25-25 PERFORMED ENGINE RUNS IAW RRMM 72-00-00 AND ETN EM -72-034.  THE LEAK AND OPERATIONAL CHECKS WERE GOOD.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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