# SDR COMA0870026

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2008
- Submitted: October 10, 2008
- Operation: Air carrier
- Aircraft: [N374CA](https://openairdocs.org/aircraft/N374CA), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10090
- Aircraft time: 13,929 hours, 10,051 cycles
- Engine: Ge CF348C1
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Vibration
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: E
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA0870026

## Discrepancy

FLIGHT NR 6421 DURING CLIMBOUT FROM CVG NR 1 ENGINE N1 VIB INCREASED TO 1.8 YELLOW, IN CRUISE VIB WENT TO 2.4 YELLOW.  SHUT DOWN ENGINE, RESTARTED ENGINE AND VIB WENT AWAY.  EMERGENCY DECLARED.  A/C CONTINUED TO MSP AND LANDED SAFELY.  INSPECTED NR 1 ENGINE FAN BLADES, NO DEFECTS NOTED.  PERFORMED GROUND RUNS WITH NO DEFECTS NOTED.

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