# SDR SCNA10004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2010
- Submitted: March 10, 2010
- Operation: Air carrier
- Aircraft: [N805SY](https://openairdocs.org/aircraft/N805SY), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30032
- Aircraft time: 32,709 hours, 12,339 cycles
- Engine: Cfmint CFM567B27
- Engine time: 31,960 hours, 12,148 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B27
- Part serial: 889494
- Condition: Vibration
- Location: Nr 1
- Part time: 31,960 hours, 12,148 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: E, R
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA10004

## Discrepancy

PILOTS REPORTED, EXPERIENCED ENGINE VIBRATION WITH DECREASING N1 AND YAW AT FL380.  PERFORMED ENGINE SHUTDOWN PROCEDURE PER QRH.  MAINTENANCE REMOVED AND REPLACED NR 1 ENGINE S/N 889494 IAW MM REF 71-00-02.  LEAK AND OPERATIONAL CHECKS GOOD.  RII ACCOMPLISHED PER INSPECTOR.

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