# SDR UHLA2010082000084

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2010
- Submitted: August 23, 2010
- Operation: Air carrier
- Aircraft: [N655RW](https://openairdocs.org/aircraft/N655RW), registered now
- Make and model: Emb ERJ 170-100 SE
- Registry model: [EMB ERJ 170-100 SE](https://openairdocs.org/model/embraer-erj-170-100-se) (OpenAirDocs)
- Aircraft serial: 17000105
- Aircraft time: 14,143 hours, 8,736 cycles
- Engine: Ge CF348E5
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CF348E5
- Part serial: GEE193128
- Condition: Vibrates
- Location: Nr 2
- Part time: 15,637 hours, 10,568 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UHLA2010082000084

## Discrepancy

WHILE PASSING FL265 CLIMBING TO FL300 NOTICED LP VIBRATIONS ON ENGINE 2.  IT WAS APPROXIMATELY 4.2-4.4 AND RISING.  DISCONNECTED AUTO THROTTLE AND SLIGHTLY PULLED BACK POWER ON NR 2 ENGINE.  VIBRATION CONTINUED TO SLOWLY RISE TO AROUND 4.8.  ADVISED ATC THAT A LOWER ALTITUDE WAS NEEDED AND WAS APPROVED TO DESCEND TO FL260.  VIBRATION CONTINUED AROUND 4.5.  DECLARED AN EMERGENCY AND DIVERTED TO COS.  DURING DESCENT, VIBRATION REMAINED AT 4.2-4.4.  LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED NR 2 ENGINE.

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