# SDR ASOA201709092009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2017
- Submitted: September 9, 2017
- Operation: Air carrier
- Aircraft: [N11539](https://openairdocs.org/aircraft/N11539), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Engine: Rroyce AE3007A1P
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: O-Ring
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: TX
- 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/ASOA201709092009

## Discrepancy

NR 1 ENGINE PRODUCED SMOKE ON EXHAUST DURING WALK AROUND.   REPLACE LPT SHAFT PLUG O-RING.  THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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