# SDR SIMA200722505

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2007
- Submitted: August 13, 2007
- Operation: Air carrier
- Aircraft: [N340RC](https://openairdocs.org/aircraft/N340RC), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 340B340
- Aircraft time: 24,654 hours, 27,958 cycles
- System (JASC): [5100 · Standard Practices/Structures](https://openairdocs.org/jasc/5100)
- Part: Unknown
- Condition: Vibration
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200722505

## Discrepancy

SHUDDER IN AIRFRAME, LOW FREQUENCY, CYCLICAL VIBRATION FELT AT SPEEDS LESS THAN 200 KNOTS.  MOST EVIDENT BETWEEN 200 TO 240 KNOTS.

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