# SDR SIMA201121508

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 2, 2011
- Submitted: August 8, 2011
- Operation: Air carrier
- Aircraft: [N663AR](https://openairdocs.org/aircraft/N663AR), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145778
- Aircraft time: 19,220 hours, 16,946 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: O-Ring
- Part number: AS3085153
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA201121508

## Discrepancy

ON FLIGHT 4160 THE CREW REPORTED THAT AFTER TAKEOFF AND ON CLIMBOUT NOTICED SMOKE/HAZE IN THE COCKPIT AND CABIN.  THE CREW DECLARED EMERGENCY AND RETURNED TO FIELD.  THE AIRCRAFT LANDED WITHOUT INCIDENT.   PERFORMED ETN EM-72-034R4. RAR NR 1 ENG. SPANNER LOCK NUT PLUG O-RING IAW RRMM 72-21-05

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