# SDR CA091210001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2009
- Submitted: January 19, 2010
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft time: 841 hours
- Engine: Allsn 250C47B
- System (JASC): [6220 · Main Rotor Head](https://openairdocs.org/jasc/6220)
- Part: Spring
- Part number: 407310104105
- Condition: Fractured
- Location: Frahm Assy
- Part time: 1,031 hours
- Component: Frahm Assy, Bell
- Component part number: 407010150
- 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/CA091210001

## Discrepancy

(CAN) FOUND DURING S CHECK (ONE SPRING FRACTURE SEEN THROUGH FRAHM SIDE HOLES, SECOND FOUND AFTER SPRING REMOVAL FROM FRAHM).

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.