# SDR CA000713004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 9, 2000
- Submitted: July 13, 2000
- Operation: General aviation
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft time: 6,900 hours
- Engine: Allsn 250C20
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Nut
- Part number: 206010152101
- Condition: Cracked
- Location: Otbd Shank Radiu
- Part time: 69,950 hours
- Component: Main Rotor Hub, Bell, 206011100021
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000713004

## Discrepancy

(CAN) DURING A SCHEDULED OVERHAUL OF THE ABOVE DESCRIBED MAIN ROTOR HUB ASSEMBLY, A COMPONENT WITHIN THIS ASSEMBLY KNOWN AS THE MAST NUT WAS FOUND TO HAVE A CRACK INDICATION. THIS WAS DETECTED DURING THE MAGNETIC PARTICLE INSPECTION. THIS NUT HAS SINCE BEEN SENT TO BELLL HELICOPTER FOR FURTHER INSPECTION AND TESTING.

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