# SDR CA070427005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 16, 2007
- Submitted: June 7, 2007
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 1,116 hours
- Engine: Allsn 250C47B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Spring
- Part number: 407310104103
- Condition: Broken
- Location: Main Rotor
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA070427005

## Discrepancy

(CAN) UPON SCHEDULED INSPECTION IT WAS NOTICED THAT ONE OF THE EIGHT SPRINGS IN THE MAIN ROTOR FRAME ASSEMBLY WAS BROKEN. (TC NR 20070427005)

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