# SDR 20010208CW007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2001
- Submitted: February 8, 2001
- Operation: Air carrier
- Aircraft: [N522BM](https://openairdocs.org/aircraft/N522BM), registered now
- Make and model: Bell 206L
- Registry model: [Bell 206L](https://openairdocs.org/model/bell-206l) (OpenAirDocs)
- Aircraft serial: 512121
- System (JASC): [6210 · Main Rotor Blades](https://openairdocs.org/jasc/6210)
- Part: Blade
- Part number: 206015001105
- Part serial: T790
- Condition: Cracked
- Location: Main Rotor
- Part time: 1,398 hours
- Stage of operation: AG
- How discovered: O
- Nature of condition: E, F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/20010208CW007

## Discrepancy

AIRCRAFT WAS FLYING LOW SPEED OVER A CORN FIELD AT NIGHT FOR FROST PREVENTION.  ON RETURN LEG TO AIRPORT FOR REFUELING. AT 11:30 PM AIRCRAFT DEVELOPED SEVERE MAIN ROTOR VIBRATION.  UPON SHUTDOWN, FOUND CRACK IN BLADE AREA.

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