# SDR CHI2077

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Columbia Helicopters, Inc, repair station CHIR823C](https://openairdocs.org/faa-repair-station/CHIR823C/columbia-helicopters-inc.md) (OpenAirDocs)
- Aircraft: [N241CH](https://openairdocs.org/aircraft/N241CH), registered now
- Make and model: Boeing 234
- Registry model: [Boeing 234](https://openairdocs.org/model/boeing-vertol-234) (OpenAirDocs)
- Aircraft serial: MJ016
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Shoulder Bolt
- Part number: 114R22012
- Condition: Failed
- Location: Rotor Head
- Component: 414R2002
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CHI2077

## Discrepancy

AFT ROTOR HEAD SHOULDER BOLT FAILED.  SUBMITTER STATED 114R22012 IS THE IMPROVED BOLT THAT IS SUPPOSED TO PREVENT THIS TYPE OF FAILURE.

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