# SDR CA141218024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2014
- Submitted: March 12, 2015
- Operation: General aviation
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Engine: Allsn 250C47B
- System (JASC): [6230 · Main Rotor Mast/Swashplate](https://openairdocs.org/jasc/6230)
- Part: Mast
- Part number: 407040038123
- Condition: Corroded
- Location: Main Rotor
- Part time: 85 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA141218024

## Discrepancy

(CAN) MAST CORRODED AFTER 31 HOURS AND ABOUT 2 WEEKS IN SERVICE.

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